| title | author | issue | page |
|---|
| #1 - A Role for the Computer in Horological Science? A Case Study in Escapement Theory | J. B. Edwards | 2019-2/3 | 3 |
| #2 - A Role for the Computer in Horological Science? A Case Study in Escapement Theory: Amplitude Considerations | J. B. Edwards | 2019-2/3 | 25 |
| #3 - A Role for the Computer in Horological Science? A Digest of a Case Study in Escapement Theory by J.B. Edwards | J. B. Edwards | 2019-2/3 | 42 |
| 'As 3 is to 2' | Hobden, M.K. | 2011-5 | 2 |
| 2013 Ward Francillon Time Symposium ? Pasadena | Cipra, Jim | 2012-5 | 22 |
| 4 Bar Linkage: computer analysis | Bigelow, Ned | 1993-1 | 14 |
| 60 HZ Power System as a Time Reference | Hopkins, Paul | 1996-3 | 7 |
| ?Q? ? A Specious Argument | Hobden, M.K. | 2014-4 | 8 |
| A Bellows Air Pressure Corrector for a Pendulum | Matthys, Bob | 2009-4 | 2 |
| A Coaxial Equation Gear by Thiout | White, Graham | 2012-5 | 3 |
| A Correction and an Apology | Friedenthal, Ken | 2004-3 | 23 |
| A Design for a Precision Centrifugal Governor or More on Conical Pendulums | Bigelow, Ned | 2009-1 | 11 |
| A Difference Equation Gear | White, Graham | 2014-4 | 11 |
| A Dream Pendulum Clock (Tides, part 3) | Van Baak, Tom | 2009-5 | 16 |
| A Dual Pendulum Chronical | Bigelow, Ned | 2005-2 | 17 |
| A Dual Pendulum Sequel | Bigelow, Ned | 2005-5 | 17 |
| A Dual Pendulum Toy | Bigelow, Ned | 2007-4 | 25 |
| A Free Pendulum Controller and Analyzer | Hansen, Jim | 2012-4 | 23 |
| A Higher-Powered Pendulum Drive Amplifier | Matthys, Bob | 2014-3 | 18 |
| A Light Weight Aerodynamic Pendulum Rod | Heldman, Alan | 2004-5 | 19 |
| A Little Mistake | Casson, Henry | 2011-4 | 19 |
| A Little More | Emmerson, Alan | 2009-1 | 2 |
| A Modern Version of Warren?s Master Clock | Prasil, Tony | 2021-2 | 26 |
| A More Accurate Temperature Compensation for a Pendulum | Matthys, Bob | 2011-5 | 22 |
| A New and Wonderful Pendulum Period Equation | Van Baak, Tom | 2013-5 | 22 |
| A New Escapement | Tekippe, Bernie | 2006-3 | 17 |
| A New Method for Modelling Escapement Action by Systems Engineering Techniques | J. B. Edwards | 2021-3 | 17 |
| A non horological digression | Holmstrom, Bob | 2014-5 | 28 |
| A Note on Precision Pendulum Clocks and Allan Deviation | Hobden, M.K. | 2019-5 | 2 |
| A Pendulum Powered by The Earth?s Centrifugal Force Part I: Theory | Kelley, C. Stuart | 2018-5 | 14 |
| A Personal Response to David Heskin?s Article | Hastings, Peter | 2011-3 | 2 |
| A Perspective On Electromagnetic Pendulum Drives | Bigelow, Ned | 2007-3 | 2 |
| A Pin Escapement Model | Harger, R. O. | 2008-1 | 2 |
| A Polish Precision Clock | Holmstrom, Bob | 2019-4 | 26 |
| A Possible Cycloidal Pendulum support | Wale, Ted | 2010-1 | 26 |
| A Query on the Shortt Free Pendulum | Miles, Bob | 2005-4 | 27 |
| A Question for David Harrison | Tekippe, Bernie | 2017-4 | 28 |
| A Reply to Critics | Hobden, M.K. | 2017-2 | 21 |
| A reply to les Pook's boat rocking | Emmerson, Alan | 2004-4 | 16 |
| A Response to Jonathan Betts | Haine, John | 2012-5 | 20 |
| A Rudimentary Treatise..... | Irving, Roger | 2006-3 | 24 |
| A Shortt Lesson in Allan Deviation (Tides, part 2) | Van Baak, Tom | 2008-4 | 2 |
| A simple maintaining power and roller clutch with click | Casson, Henry | 2007-3 | 28 |
| A Skeleton Equation Clock | White, Graham | 2014-3 | 13 |
| A Spreadsheet Demo of Brocot?s Method | Casson, Henry | 2011-3 | 25 |
| A Superior Electric Pendulum; and Some Pendulum Equations by Walter P. White from the Journal of the Optical Society of America 1924 | Holmstrom, Bob | 2014-2 | 10 |
| A useful online resource for sundial creation | Holmstrom, Bob | 2004-5 | 18 |
| A visit to Father O?Leary?s Clock | Holmstrom, Bob | 2019-1 | 3 |
| Abbot Richard?s Astronomical Gears - Part. II | White, Graham | 2006-4 | 2 |
| Abbot Richard?s Astronomical Gears. Part. | White, Graham | 2006-3 | 2 |
| Accuracy vs Q - Reply to Doug Bateman | Betts, Jonathan | 2012-3 | 9 |
| Accuracy vs Q - reply to Jonathan Betts | Bateman, Doug | 2012-2 | 30 |
| Accurate Clock Pendulums - book review | Holmstrom, Bob | 2004-3 | 24 |
| Additional Fasoldt suspension Images | Saff, Don | 2010-2 | 22 |
| Adjusting a Dual Pendulum Clock | Bigelow, Ned | 2001-3 | 10 |
| Airy (et al) v. State-Transition Approaches to Escapement Modeling: An Attempt at Reconciliation | J. B. Edwards | 2020-5 | 15 |
| Airy's Escapement | Feinstein, George | 1993-5 | 12 |
| All Pneumatic Clock? - Rock the boat | Payne, Michael | 2001-5 | 22 |
| Allan Variance and the RMS Time Error | Matthys, Bob | 1997-5 | 19 |
| An All-Digital Pendulum Drive Amplifier | Matthys, Bob | 2008-3 | 2 |
| An Analysis of Q versus Accuracy in Pendulum Clocks | Yates, Philip | 2012-3 | 2 |
| An analysis of the improved timekeeping performance provided by John Harrison?s pendulum clocks | Harrison, David | 2017-3 | 2 |
| An Answer from a Member of the Harrison Research Group by Mervyn K. Hobden | Hobden, M.K. | 2013-3 | 2 |
| An Attempt to Make Republican Hours Readable on a French Clock | Croce, Garlo G. | 2006-4 | 20 |
| An Earthquake Observed | Belleville, Robert L. | 2007-1 | 30 |
| An Electrical Engineer Looks at a Watch ? Brief Notes on a Lecture by Prof. Gerald Sussman | MacMillan, David | 2020-1 | 22 |
| An Elucidation of Three Dissipation Contributions Limiting Pendulum Quality, ?Q?, Using a ?Grand Mother? Clock | Cleyet, Bernard | 2012-3 | 23 |
| An Epicyclic Trim Train by Burg | White, Graham | 2010-5 | 2 |
| An Exercise in Experimental Horological Archeology - Testing Verge and Foliot Clocks | Bell, Malcolm | 2013-1 | 14 |
| An Experimental Study: Effects of Atmospheric Pressure on the Timing of an Undriven Pendulum | Paquette, Michel | 2015-5 | 3 |
| An Unusual Pendulum and a Plea for Help | Russ, Price | 2020-3 | 31 |
| Analysis of mechanical operation of dual pendulum clock JB2 | Bigelow, Ned | 2002-2 | 2 |
| Analytical Treatment of Norm Fritz' Experiment | Friedenthal, Ken | 1996-3 | 9 |
| Anisochronism of John Harrison?s First Sea Clocks, H.1 and H.2 | Drumheller, Doug | 2014-3 | 2 |
| Anomalous Circular Error In a Compound Pendulum Clock using the MicroSet timer | Heldman, Alan | 1997-5 | 29 |
| Another Approach for Precision Electronic Pendulum Management | Hansen, Jim | 2011-5 | 14 |
| Another Look at the SH41 Data | Agnew, Duncan | 2018-5 | 2 |
| Another Look at the Text Behind North's and Bender's Reconstructions of Wallingford's Eclipse Mechanism | MacMillan, David | 2006-4 | 10 |
| Another Response to Carlo G. Croce | Taylor, Snowden | 2004-5 | 18 |
| Answer to crossing out question | Pook, Les P | 2004-2 | 24 |
| Answer to John Haine ? HSN 2017-3 | Hobden, M.K. | 2017-4 | 23 |
| Answers to Mr. Heldman?s questions about Q on p.4 of HSN 2012-1 | Cleyet, Bernard | 2013-5 | 31 |
| Anti-friction Wheel Pendulum support | Holmstrom, Bob | 2008-3 | 28 |
| Antikythera Failure Modes and Effects | White, Graham | 2015-1 | 16 |
| Antikythera Revisited | White, Graham | 2008-1 | 14 |
| Apology for stability analysis | Woodward, Philip | 2000-5 | 19 |
| Appendix 1: State- & Driving- Transition Matrix Elements | J. B. Edwards | 2019-2/3 | 54 |
| Appendix 2: Improved Euler Approximation for State-Transition Coefficient determination | J. B. Edwards | 2019-2/3 | 56 |
| Applying the Pendulum Controller | Hansen, Jim | 2014-5 | 12 |
| Approach to a Numerical Analysis of Pendulum Losses | Boucheron, Pierre | 1994-4 | 13 |
| Arnfield's Lifting Lever | Fritz, Norman | 2001-1 | 8 |
| Atmos Clock, Ethyl Chloride as the Bellows Gas | Martt, Ernest | 1998-3 | 16 |
| Author Index to HSN through issue 2003-5 | Holmstrom, Bob | 2003-5 | 15 |
| Back issue CD and W5 CD information | Casson, Henry | 2006-2 | 2 |
| Bailey free pendulum clock in Horological Journal | Martt, Ernest | 1993-5 | 2 |
| Barometric compensation of a Crossed Spring Suspension | Matthys, Bob | 2000-1 | 6 |
| Beat and Rate Relationships for Pendulum Clocks | Walker, Jerry | 1993-4 | 15 |
| Beat and Rate Relationships for Pendulum Clocks | Walker, Jerry | 2003-2 | 19 |
| Behavior of the Self Excited Oscillator | Hobden, M.K. | 2012-3 | 17 |
| Beryllium Copper ? Be Aware | Matthys, Bob | 2017-2 | 26 |
| Bibliography of Dr. Philip Woodward's horological articles | Martt, Ernest | 1996-2 | 2 |
| Bibliography Woodward's Horological papers | Woodward, Philip | 1996-2 | 2 |
| Bio & Rock the Boat | Wale, Ted | 2001-1 | 10 |
| Biography | Matthys, Bob | 1995-4 | 2 |
| Biography | Viglione, Dominic | 1995-4 | 2 |
| Biography | Bigelow, Ned | 1995-5 | 2 |
| Biography | Heldman, Alan | 1995-5 | 2 |
| Biography | Pritchard, Wilber | 1995-5 | 2 |
| Biography | Uber, Gordon | 1995-5 | 2 |
| Biography | Edwards, Evan | 1996-1 | 2 |
| Biography | Friedenthal, Ken | 1996-1 | 2 |
| Biography | Fritz, Norman | 1996-1 | 2 |
| Biography | Woodward, Philip | 1996-2 | 4 |
| Biography | Irving, Roger | 1996-2 | 10 |
| Biography | Kelley, C. Stuart | 1996-3 | 2 |
| Biography | Tekippe, Bernie | 1996-3 | 2 |
| Biography | Hall, Edward T. | 1996-4 | 2 |
| Biography | Paton, Leslie | 1996-4 | 2 |
| Bob Mathys - Obituary | Christenson, Tracy | 2020-4 | 32 |
| Book Review | Bigelow, Ned | 1996-2 | 5 |
| Book Review by Fortunat Mueller-Maerki - The Most Important Clock in America. The David Rittenhouse Astronomical Musical Clock at Drexel University, By Ronald R. Hoppes | Mueller-Maerki, Fortunat | 2011-1 | 26 |
| Book Review of Woodward's book, A study of the Spiral Hairspring | Woodward, Philip | 1996-2 | 5 |
| Book Review: The Measurement of Time: Time, Frequency and the Atomic Clock by Claude Audoin and Bernard Guinot | Uber, Gordon | 2003-2 | 20 |
| Borates for Woodworm Control | Ward, Bill | 2009-2 | 37 |
| Brief History of Two-Pendulum | Antiquorum | 2002-2 | 7 |
| Brown tumbling pallets, An early reference to the | Shelley, Fred | 1994-2 | 16 |
| Bulle Isochronism Spring | Heckenberg, N.R. | 1999-5 | 6 |
| Bumpy Road to Temperature Compensation | Matthys, Bob | 2000-3 | 7 |
| Bush - Jackson Circular Error Corrector | Bigelow, Ned | 2009-3 | 28 |
| Calculation of Effect of Moving Small Weight Up and Down on Pendulum Rod | Edwards, Evan | 2002-4 | 19 |
| Calculation of Gear Trains by Approximation translated | Kirk, John G | 2008-2 | 2 |
| Carbon fibre or Kevlar for pendulum rods | Bateman, Doug | 1995-3 | 7 |
| Carbon-fiber pendulum rod | Edwards, Evan | 1996-1 | 4 |
| Case for the Case - Part One | Heldman, Alan | 2000-4 | 20 |
| Case for the Case - Part Two | Heldman, Alan | 2000-5 | 20 |
| Casting Lead or Lead Alloy | DuBois, Andy | 1994-2 | 16 |
| CH F?ry on a similar escapement to that discussed by Walter P. White ? translation | Holmstrom, Bob | 2014-2 | 26 |
| Chapter 161 Bylaws | Martt, Ernest | 1993-4 | 2 |
| Chapter notes by the editor | Holmstrom, Bob | 2017-3 | 24 |
| Check your clock against WWV | Matthys, Bob | 1994-2 | 17 |
| Checking rates of precision clocks | Martt, Ernest | 1994-1 | 2 |
| Chordal Pitch Gearing. Part 2 (conclusion), Harrison's | Wale, Ted | 1997-5 | 2 |
| Chordal Pitch Gears as used by John Harrison. Part I of an article on, | Wale, Ted | 1997-4 | 14 |
| Christiaan Huygens, the Pendulum and the Cycloid - Author's reply to Comments by Alan Heldman | Emmerson, Alan | 2005-4 | 20 |
| Circular Error and its Reduction by the Use of Permanent Magnets | Pipes, Malcolm | 1999-5 | 20 |
| circular error correction devices. Introduction and summary of references to, | Holmstrom, Bob | 1999-5 | 2 |
| Circular Error Defeated at last | Boucheron, Pierre | 1994-1 | 3 |
| Circular Error Defeated at last | Cain, Dallas | 1994-1 | 3 |
| Circular error of a pendulum on a suspension spring | Woodward, Philip | 2001-5 | 2 |
| Clarification of the Graphics in my Note Titled The Visual Display of Quantitative Information (in HSN 2000-4 at p.16) | Heldman, Alan | 2000-5 | 28 |
| Clarifications for Jonathan Betts | Bateman, Doug | 2017-2 | 18 |
| Clarifications for Mervyn Hobden | Bateman, Doug | 2017-3 | 13 |
| Clock and watch timer with Fourier analysis | Thackery, Steve | 1998-2 | 5 |
| Clock B ? Amplitude Response to Changing Pressure and Temperature | Millington, Andrew | 2021-1 | 2 |
| Clock B ? Amplitude Response to Changing Pressure and Temperature | Haine, John | 2021-1 | 2 |
| Clock Hydrodynamics?Part I: My Two Clocks & John Harrison?s Tin Whistle | Drumheller, Doug | 2018-3 | 2 |
| Clock Hydrodynamics?Part II: Determination of the model constants and comments on Clock B | Drumheller, Doug | 2018-4 | 2 |
| Clock Pendulums and the Q Parameter | Leeds, L. M. | 1995-4 | 11 |
| Clock Rate Comparisons | Boucheron, Pierre | 1994-1 | 2 |
| Clock Suspensions: Bessel, Harrison Spring, and Rolling-Knife | Yates, Philip | 2015-5 | 20 |
| Clock Timer Referenced to WWV | Hopkins, Paul | 1994-5 | 9 |
| Clock XI0 | Drumheller, Doug | 2018-4 | 11 |
| Clockquakes | Belleville, Robert L. | 2000-4 | 32 |
| Clockwatcher | Tekippe, Bernie | 1996-3 | 12 |
| Closer Look At Transient Temperature Correction | Bigelow, Ned | 1997-2 | 16 |
| Comment on "Going Round in Circles" | Bigelow, Ned | 2009-1 | 10 |
| Comment on 'Bush-Jackson circular error corrector' in HSN 2009-3 | Houtman, Hubert | 2012-3 | 30 |
| Comment on Bellville HSN 99-3 | Heldman, Alan | 1999-4 | 19 |
| Comment on CDROM/web version of HSN | Holmstrom, Bob | 1999-4 | 26 |
| Comment on the philosophy of pendulums | Rozycki, Carl | 1999-1 | 3 |
| Comments from the editor | Holmstrom, Bob | 2018-3 | 22 |
| Comments on | Heldman, Alan | 1999-1 | 3 |
| Comments on "Discussion of Recent Articles on Pendulum Support by Bernard Cleyet" | Hopkins, Paul | 2007-4 | 28 |
| Comments on Alan Emmerson's Huygens Article Plus Some Perhaps-New Ideas About Huygens' Clocks | Heldman, Alan | 2005-3 | 27 |
| Comments on Alan Heldman?s Paper in HSN 2015-3 | Thackery, Steve | 2015-4 | 2 |
| Comments on Alan Heldman?s Version of History by Douglas S. Drumheller | Drumheller, Doug | 2014-3 | 28 |
| Comments on Chaos Theory | Emmerson, Alan | 1999-2 | 26 |
| Comments on Even Edwards Cross Spring Suspension | Boucheron, Pierre | 1992-2 | 2 |
| Comments on Even Edwards Cross Spring Suspension | Martt, Ernest | 1992-2 | 2 |
| Comments on Friction | Payne, Michael | 1993-3 | 6 |
| Comments on Hobden?s ?Reply to Critics? in HSN 2017-3 | Haine, John | 2017-4 | 22 |
| Comments on JB Edwards paper on mathematical modelling | Bateman, Doug | 2020-3 | 29 |
| Comments on John Grass | Taylor, Snowden | 1993-3 | 6 |
| Comments on John Haine's HSN 11-3 Article and Harrison's Science | Hobden, M.K. | 2011-4 | 12 |
| Comments on Mervyn Hobden's "The Paper by Haine and Millington HSN 2016 ? 3" | Haine, John | 2016-5 | 2 |
| Comments on Mr. D. Bateman?s Article Regarding Q1, and Mr. M. K. Hobden?s Rebuttal | Cleyet, Bernard | 2015-3 | 10 |
| Comments on Oscillator Mechanics by Douglas S. Drumheller | Drumheller, Doug | 2012-2 | 23 |
| Comments on Some Replies to Robert Matthys's Questions | Matthys, Bob | 1998-5 | 17 |
| Comments on Ted Wale's Fact and Fancy | Betts, Jonathan | 2001-1 | 5 |
| Comments on the Accuracy of Lunar Gear Trains | Kirk, John G | 2006-1 | 25 |
| Comments on the April Article | Taylor, Snowden | 1993-3 | 9 |
| Comments on the relationship between circular error and escapement error | Tekippe, Bernie | 1994-3 | 16 |
| Comments re Alan Heldman?s ?Disturbance of Pendula? | Wale, Ted | 2010-5 | 19 |
| Comments re recent HSN articles | Betts, Jonathan | 2012-1 | 32 |
| Comparison of driving weight for some weight-driven clocks | Martt, Ernest | 1996-2 | 14 |
| Comparison of James and Leeds on suspension spring stress | Bigelow, Ned | 1995-5 | 7 |
| Compound cycloidal pendulum | Woodward, Philip | 1999-4 | 16 |
| Compound Pendulum Temperature Compensation | Holmstrom, Bob | 2014-2 | 30 |
| Compound Pendulums & Floppy Bobs | Matthys, Bob | 2005-4 | 28 |
| Compression Clamp Attachment to Quartz | Cain, Dallas | 1996-5 | 11 |
| Computer Aided Design of Harrison Twin Pivot and Twin Balance Grasshopper Escapement Geometries | Heskin, David | 2013-5 | 32 |
| Computer Aided Design of the Harrison Single Pivot Grasshopper Escapement Geometry | Heskin, David | 2012-4 | 28 |
| Computerized Synchronization of Clocks Manufactured by the Self Winding Clock Company of New York | Janoff, Mitch | 1994-3 | 2 |
| Concerning Crossed-Spring Pivots | Matthys, Bob | 1993-3 | 5 |
| Contact microphone devices for mechanical watches | Thackery, Steve | 2020-3 | 2 |
| Continued Examination of the Tangent Rule and its Development for Rectangular Escapement Pulses | J. B. Edwards | 2020-3 | 14 |
| Coriolis Effect on Pendulums | Kelley, C. Stuart | 1995-4 | 3 |
| Corning's ULE (ultra low expansion) material | Martt, Ernest | 1996-5 | 20 |
| Correctiions to HSN 1994-5 | Hopkins, Paul | 1995-1 | 2 |
| Correction | Whitehead, Richard | 2006-2 | 2 |
| Correction | Matthys, Bob | 2011-1 | 29 |
| Correction to ?The Tangent Rule in Practice? | Cima, Pepi | 2020-4 | 1 |
| Correction to Air Density Table | Feinstein, George | 2000-4 | 34 |
| Correction to Arnfields Lifting Lever HSN 2001-1 | Fritz, Norman | 2001-2 | 9 |
| Correction to statements in HSN 2017-2, ?A Reply to Critics? | Hobden, M.K. | 2017-3 | 18 |
| Corrections to Extensions to the Smith Method of Amplitude Measurement | Holmstrom, Bob | 2002-3 | 24 |
| corrections to roster + note from Paul Hopkins + Invar book note | Holmstrom, Bob | 2001-3 | 23 |
| Count-Wheels: A Mathematical Problem Arising in Horology | Weintraub, Stephen H. | 2010-2 | 13 |
| Crossed flex suspension sketches | Boucheron, Pierre | 1992-2 | 6 |
| Crossed Spring Suspensions | Bateman, Doug | 1993-4 | 14 |
| Crystal Oscillator Temperature Calibration via WWVB | Belleville, Robert L. | 2001-3 | 12 |
| Cure For the Effects of Moisture on a Carbon Fiber Pendulum Rod and Thoughts on a Accurate Regulator Clock. | Edwards, Evan | 1997-3 | 9 |
| Data for: Tidal Gravity Variations Measured by a Fedchenko AChF-3 Precise Pendulum Clock | Agnew, Duncan | 2021-1 | 27 |
| David Heskin?s Book ? Perfecting the Harrison Single Pivot Grasshopper Escapement | Johnson, Ken | 2011-3 | 17 |
| Derivation of the Period of a Compound Pendulum | Haine, John | 2008-3 | 26 |
| Design and Operation of Dual Pendulum Clock JB2 | Bigelow, Ned | 1998-3 | 3 |
| Design Considerations for Minimizing the Effects of Temperature Variation on the Period of a Pendulum | Feinstein, George | 2000-3 | 12 |
| Design of a New Clock Timer Tool: The Microset Timer.. | Mumford, Bryan | 1997-4 | 3 |
| Design of a precision mechanical clock | Spong, E. David | 1993-3 | 13 |
| Designing the Dead-Beat Escapement On a MS Excel Spreadsheet | Martt, Ernest | 2002-1 | 2 |
| Detent escapements, central-impulse pallets, and servo-remontoires | Houtman, Hubert | 2007-5 | 2 |
| Did Riefler Read Eiffel? | Heldman, Alan | 1999-2 | 23 |
| Dieter Roess Biography | Roess, Dieter | 2018-2 | 44 |
| Differential theads and wheel crossings | Emmerson, Alan | 2004-3 | 20 |
| Differential Threads for Pendulum Adjustment (with some digressions) | Heldman, Alan | 2004-2 | 18 |
| Digital Compensation and Pendulum Clocks | Van Baak, Tom | 2015-1 | 22 |
| Discussion of Recent Articles on Pendulum Support | Cleyet, Bernard | 2007-3 | 24 |
| Discussion Paper on Electromagnetic Drive | Wale, Ted | 1999-2 | 28 |
| Display Periods from a Split-Path Epicyclic Train | White, Graham | 2003-5 | 3 |
| Display Periods from a Split-Path Epicyclic Train - Part 1 | White, Graham | 2003-2 | 2 |
| Display Periods from a Split-Path Epicyclic Train - Part 2 | White, Graham | 2003-3 | 2 |
| Display Periods from a Split-Path Epicyclic Train - Part 3 | White, Graham | 2003-4 | 7 |
| Disturbance of Pendulums (by impulse and otherwise) | Heldman, Alan | 2010-4 | 2 |
| Disturbance of Pendulums ? Q and energy losses | Bateman, Doug | 2010-5 | 14 |
| Documents Concerning Thomas Mudge?s Lunar Gear | White, Graham | 2005-5 | 2 |
| Does a clock pendulum have a "sharp resonant peak frequency"? | Heldman, Alan | 2012-1 | 2 |
| Does a Pendulum's Axis of Rotation Shift with Amplitude | Matthys, Bob | 2001-3 | 14 |
| Does it matter where you support the bob | Holmstrom, Bob | 2000-3 | 19 |
| Does the Suspension spring of a Pendulum Clock Get Stiffer When Bob Mass is Increased | Heldman, Alan | 2008-3 | 11 |
| Does the X-Pendulum Have a Place in Horology | Holmstrom, Bob | 2001-2 | 5 |
| Domesticating a feral clock, part1 | Frank, Tom | 2020-5 | 11 |
| Dominion and Dynamic Stability | Hobden, M.K. | 2015-4 | 9 |
| Double Spring Suspension Design | Walker, Jerry | 1994-2 | 15 |
| Douglas Bateman's "Timekeeping: a Lifetime's Interest in Horology" a Review | Van Baak, Tom | 2021-1 | 23 |
| Drawing of Crossed Flex Suspension | Edwards, Evan | 1992-2 | 6 |
| Drop of the Weight vs Ticking of the Escapement | Riegel, Pete | 2005-5 | 14 |
| Dual Pendulums- a Comment, an Alternative System, and Gravity Survey Pendulums | Bateman, Doug | 1998-4 | 2 |
| Early beginnings of the Horological Science Chapter of NAWCC as recalled | Edwards, Evan | 1999-4 | 2 |
| Early Epicyclic Maintaining Power | White, Graham | 2004-2 | 3 |
| Effect of composer and pallet mass upon grasshopper escapement torque and clock rate | Millington, Andrew | 2017-5 | 2 |
| Effect of Humidity on Wood Pendulum Rods | Heldman, Alan | 2000-2 | 24 |
| Effect of Knife Edge Shape on Pendulum Rate versus Amplitude | Bigelow, Ned | 2000-2 | 19 |
| Effect of Moisture in a Carbon Fiber Pendulum Rod | Edwards, Evan | 1996-2 | 11 |
| Effect of the Earth's Rotation on the Motion of the Simple Pendulum | Kelley, C. Stuart | 1996-3 | 17 |
| Effect of the Pendulum Rod on Q | Matthys, Bob | 1998-4 | 7 |
| Effective Length of a Pendulum with Knife Edge Suspension | Bigelow, Ned | 2000-1 | 7 |
| Effects of Weather on a Wooden Clock | Bailey, David | 2000-2 | 2 |
| Efficiency of Mainspring Systems | Harold, Mike | 1993-3 | 12 |
| Electric clock animation software available on CD | Bosschieter, Ted | 2002-3 | 24 |
| Electrically Reset Gravity Escapement Clock | Ian Richardson | 2019-4 | 13 |
| Electro-Magnetic Drive correction | Bigelow, Ned | 2007-2 | 27 |
| Electro-Magnetic Drive with a More Free Pendulum - Part 2 | Matthys, Bob | 2007-1 | 2 |
| Electro-Magnetic Drive with a More Free Pendulum ? Part 1 | Matthys, Bob | 2006-5 | 12 |
| Electro-Optical Components for Pendulum Sensors | Prasil, Tony | 1993-1 | 3 |
| Electrolift Pendulum Drive | Bigelow, Ned | 2003-1 | 8 |
| Electronic Measurement of the Amplitude of Swing of a Clock Pendulum | Hastings, Peter | 2009-2 | 33 |
| Electronic Pendulum Control: The Final Frontier | Hansen, Jim | 2014-5 | 9 |
| Electronically Driven Shortt Clock | Matthys, Bob | 1993-4 | 11 |
| Electrostatic Impulsing | Bigelow, Ned | 1995-2 | 6 |
| Elgin Maintaining Power by Seth Thomas | White, Graham | 2003-1 | 2 |
| Energy analysis of pendulum perturbations | Friedenthal, Ken | 1996-1 | 16 |
| Energy Analysis of Pendulum Perturbations - Part II | Friedenthal, Ken | 1996-4 | 29 |
| English Bobs: A Follow-up Comment to Doug Bateman | Heldman, Alan | 1996-3 | 8 |
| English Watches with Robin's Escapements | Ganczarczyk, Dr. J. | 2001-3 | 2 |
| Equations for the period of a pendulum | Leeds, L. M. | 1998-3 | 11 |
| Equations of motion for the spring suspended pendulum | Emmerson, Alan | 2010-1 | 2 |
| Ernie Martt | Heldman, Alan | 2006-5 | 3 |
| Errata | Emmerson, Alan | 1999-4 | 26 |
| Errata and Addenda to Muchless Article, HSN 99-3 | Bigelow, Ned | 1999-4 | 26 |
| Errata-HSN 2000-4 Fact and Fancy | Wale, Ted | 2000-5 | 31 |
| Erratum and Addenda to English Watches with Robin's Escapement | Ganczarczyk, Dr. J. | 2001-4 | 17 |
| Erratum on compound cycloidal pendulum + Postscript on Aesculus Hippocastanum | Woodward, Philip | 1999-5 | 32 |
| Escape Wheel Signature | Smith, David J. | 1997-4 | 7 |
| Escapement Error in Intermittently Impulsed Pendulms | Haine, John | 2010-3 | 10 |
| Escapement modeling with Working Model 2D | Holmstrom, Bob | 2021-4 | 8 |
| Escapement that impulses in one direction only | Leeseberg, Ken | 1992-2 | 12 |
| Escapement Theory Points Way to Improved Timekeeping | Edwards, Evan | 1994-1 | 13 |
| Evaluation of Gravity Interaction Between Pendulums | Bigelow, Ned | 2001-4 | 2 |
| Evan Edwards | Edwards, Evan | 2007-2 | 2 |
| Everything | Heldman, Alan | 1999-3 | 23 |
| Experimental Concrete Base | Scolnik, Bill | 1997-3 | 12 |
| Experimental Concrete Base For Precision Clocks | Scolnik, Bill | 1997-2 | 3 |
| Experimental results from Evan Edwards | Edwards, Evan | 1993-5 | 4 |
| Experiments with an Arnfield escapement | Irving, Roger | 1998-1 | 3 |
| Explanation of my Watch | Casson, Henry | 2008-2 | 17 |
| Exploring Buoyancy | Belleville, Robert L. | 2007-2 | 3 |
| Extensions to the Smith Method of Amplitude Measurement | Holmstrom, Bob | 2002-2 | 10 |
| Fabrication of Replicas of the three wheel clock of Abraham-Louis Breguet by J. P. Chollet and M. Jean-Michel Piguet Translated by John Kirk | Kirk, John G | 2010-1 | 15 |
| Fact and fallacy | Woodward, Philip | 2005-3 | 43 |
| Fact and Fancy | Wale, Ted | 2000-4 | 2 |
| Fasteners For Quartz Pendulum Rods | Matthys, Bob | 1996-5 | 2 |
| Father O?Leary?s Free Pendulum Revised Set Up Instructions | Boucheron, Pierre | 2019-1 | 7 |
| Fatigue Failure and Replacement of a Mainspring | Pook, Les P | 2009-4 | 26 |
| Fedchenko AChF-3 Isochronous Suspension | Feinstein, George | 1997-3 | 13 |
| Fedchenko Isochronous Pendulum Suspension | Paton, Leslie | 1996-4 | 22 |
| Fedchenko: Clock or Gravimeter? (Tides, part 5) | Van Baak, Tom | 2013-4 | 24 |
| FFT Analysis of Clock Data Using Microsoft Excel | Holmstrom, Bob | 2001-3 | 18 |
| Figures don't lie | Bigelow, Ned | 2004-5 | 18 |
| Finding a Pendulum's Axis of Rotation | Matthys, Bob | 2001-1 | 2 |
| Finite Element Analysis of a Fedchenko Type Pendulum | Pook, Les P | 2002-4 | 10 |
| First tunning fork timer? | Miles, Bob | 2002-1 | 13 |
| First tunning fork timer? | Woodward, Philip | 2002-1 | 13 |
| First tunning fork timer? | Bagley, Geoff | 2002-1 | 14 |
| First tunning fork timer? | MacMillan, David | 2002-1 | 14 |
| Fixing Brass to Quartz | Irving, Roger | 1996-5 | 10 |
| Flicker noise as the arch enemy | Woodward, Philip | 2004-5 | 15 |
| Floorboard errors of a standing pendulum clock | Woodward, Philip | 2004-5 | 16 |
| Floppy Bobs | Thackery, Steve | 2004-5 | 14 |
| Foliot Pallet Lubrication? | Croce, Garlo G. | 2008-3 | 28 |
| Forword to three papers on ?A Role for the Computer in Horological Science? | J. B. Edwards | 2019-2/3 | 2 |
| Foucault Experience, A Most Gratifying | Viglione, Dominic | 1995-4 | 6 |
| Four-Gear Grandfather Clock | Houtman, Hubert | 2002-3 | 2 |
| Free access to Royal Society of London Archives | Holmstrom, Bob | 2006-4 | 30 |
| Free pendulum clock with an electronic slave | Warbey, John | 1994-4 | 2 |
| Fresh Look at W5 | Woodward, Philip | 2001-2 | 2 |
| Friction in Horology | Grass, John | 1993-1 | 2 |
| Friction in Horology | Grass, John | 1993-2 | 2 |
| Friction in Horology | Willard, Ed | 1993-2 | 4 |
| Friction in Horology | Kelley, C Stuart | 1993-2 | 5 |
| Friction in Horology and Elsewhere | Bigelow, Ned | 1993-2 | 3 |
| Fritz Experiment | Woodward, Philip | 1996-2 | 6 |
| From Riefler and Reynolds via Eiffel to Von Karmen | Emmerson, Alan | 1999-3 | 25 |
| Further Historical Performance of Precision Pendulum Clocks | Hobden, M.K. | 2020-1 | 2 |
| Fused Silica Pendulum Rod | Irving, Roger | 1996-2 | 8 |
| Fused silica, A supplier for | Martt, Ernest | 1996-5 | 18 |
| Gearing of the 1575 Kassel Globe | White, Graham | 2004-5 | 3 |
| Gearing of the Strutt and Wigston Skeleton Clock | White, Graham | 2002-4 | 2 |
| Geometry of the Grasshopper Escapement: A Recalculation of Burgesses Figure 4. | Casson, Henry | 2000-1 | 22 |
| Global Positioning System For Horological Timing - Part I | Uber, Gordon | 1997-4 | 11 |
| Going Round in (Chaotic) Circles + correction | Haine, John | 2008-5 | 23 |
| Going Round in Circles | Fergusson, Colin | 2008-4 | 13 |
| Good Behavior | Matthys, Bob | 2005-4 | 2 |
| GPS Receiver to measure precision pendulums. Using a, | Mumford, Bryan | 1999-2 | 14 |
| GPS to calibrate to UTC. Using, | Uber, Gordon | 1995-3 | 8 |
| Graham White - Epicyclic Gear Documentation project | Holmstrom, Bob | 2018-1 | 10 |
| Graham White - Obituary | Holmstrom, Bob | 2018-1 | 9 |
| Graham White?s Epicyclic Trilogy Introduction | White, Graham | 2019-4 | 2 |
| Graphs of coefficient of expansion and stability for fused silica and ULE | Martt, Ernest | 1996-5 | 23 |
| Grimthorpe?s Grasshopper? | Casson, Henry | 2006-2 | 17 |
| Gulf of California Earthquake of 3 August 2009 | Walter, David | 2009-4 | 34 |
| Harrison and Energy | Emmerson, Alan | 2014-4 | 2 |
| Harrison Clock Project | Matthysen, Will | 2014-5 | 13 |
| Harrison Decoded announcement | Holmstrom, Bob | 2020-3 | 32 |
| Harrison's Cheeks&Ribbon pendulum suspension greatly differs from a flexure-spring | De Marchi, Andrea | 2021-4 | 2 |
| Harrison?s Barometric Compensation - Keeping it Simple: A Description from Practice | Betts, Jonathan | 2016-4 | 43 |
| Heldman's random walk | Woodward, Philip | 2000-5 | 11 |
| High Q or low Q ? A specious argument | Bateman, Doug | 2014-3 | 30 |
| Hipp Lawyer/Horologist | Heldman, Alan | 1995-3 | 9 |
| Horological puzzle | Prasil, Tony | 2010-5 | 21 |
| Horological Science Archives | Mueller-Maerki, Fortunat | 2000-4 | 33 |
| Horological Science Archives | Uber, Gordon | 2000-4 | 33 |
| How Big a Kick Should a Healthy Grasshopper Have? | Heskin, David | 2011-3 | 5 |
| How good is Airy? | Millington, Andrew | 2021-3 | 2 |
| How many teeth should a healthy grasshopper have? | Heskin, David | 2011-2 | 2 |
| How precise are opto-interrupters? | Haine, John | 2021-2 | 23 |
| HSN Archive Project | Holmstrom, Bob | 1999-3 | 32 |
| HSN now on CD | Martt, Ernest | 2004-4 | 18 |
| HSN Roster | Holmstrom, Bob | 2004-4 | 19 |
| HSN Subscription Renewal Notice | Spong, E. David | 2010-4 | 30 |
| HSN Subscription Renewal Notice | Spong, E. David | 2011-5 | 26 |
| Humility | Heldman, Alan | 2000-3 | 21 |
| I Have Spoked! | Casson, Henry | 2002-1 | 17 |
| Ideal Pendulum Drive | Bigelow, Ned | 1993-3 | 1 |
| Ideal Pendulum Drive | Bigelow, Ned | 1993-4 | 3 |
| Ideal Pendulum Drive | Bigelow, Ned | 1994-1 | 7 |
| Important Recent Foucault Pendulum Articles | Holmstrom, Bob | 2011-1 | 29 |
| Impulse and Circular Error | Friedenthal, Ken | 1997-2 | 6 |
| Impulsing of the Shortt free pendulum ? Philip Woodward replies to Robert Miles | Woodward, Philip | 2005-5 | 15 |
| Impulsing the Pendulum: Escapement Errors | Feinstein, George | 2005-3 | 2 |
| In Memoriam: Bill Givens (1948 ? 2011) | Holmstrom, Bob | 2011-3 | 30 |
| In Reply (response to Jonathan Betts) | Wale, Ted | 2001-2 | 8 |
| Information on the Koenig/Niaudet | Prasil, Tony | 2002-2 | 20 |
| Instability of Invar | Matthys, Bob | 1995-5 | 3 |
| Instability of materials | Bateman, Doug | 1996-2 | 4 |
| Interference in a Shortt Clock | Bigelow, Ned | 2004-3 | 22 |
| Internet | Uber, Gordon | 1994-5 | 2 |
| Internet | Uber, Gordon | 1995-4 | 2 |
| Internet news | Uber, Gordon | 1996-1 | 22 |
| Internet News | Uber, Gordon | 1996-5 | 24 |
| Internet news | Uber, Gordon | 1997-1 | 16 |
| Internet News | Uber, Gordon | 1997-2 | 18 |
| Internet report | Uber, Gordon | 1996-3 | 2 |
| Introduction to an article by Walter P. White | Holmstrom, Bob | 2014-2 | 9 |
| Introduction to the Lego Astronomical Clock | Stouffer, John | 2016-2 | 2 |
| Introduction to the Longnow Clock Project | Hillis, Danny | 2000-1 | 2 |
| Invariable and Minimum Period Pendulums | Bateman, Doug | 1998-5 | 7 |
| Investigating the Harrison Pendulum Oscillator | Haine, John | 2016-3 | 2 |
| Investigating the Harrison Pendulum Oscillator | Millington, Andrew | 2016-3 | 2 |
| Investigating the Harrison Pendulum Oscillator ? Part 2: Barometric Compensation Methodology | Haine, John | 2016-4 | 2 |
| Investigating the Harrison Pendulum Oscillator ? Part 2: Barometric Compensation Methodology | Millington, Andrew | 2016-4 | 2 |
| Involute gearing | Casson, Henry | 2018-3 | 19 |
| Irregular Fall of Clock Weights | Martt, Ernest | 1993-5 | 6 |
| Irregular Weight Drop - Comments | Grass, John | 1994-1 | 21 |
| Irregular Weight Drop - Comments | Taylor, Snowden | 1994-1 | 21 |
| Irregular Weight Drop - Comments | Bateman, Doug | 1994-1 | 22 |
| Is there an optimum pendulum amplitude? | Haine, John | 2021-2 | 2 |
| Isochronous Clock | Tekippe, Bernie | 2001-4 | 10 |
| Isochronous pendulum length | Wale, Ted | 1999-5 | 29 |
| It's About Time | Emmerson, Alan | 2006-2 | 11 |
| J.R. Brown's Tumbling Pallets | Shelley, Fred | 1994-1 | 18 |
| James Ferguson?s Venus Orrery | White, Graham | 2015-5 | 11 |
| James White's Micrometer | White, Graham | 2004-3 | 18 |
| JOHN HARRISON (Part Three) - J. Harrison and "The Greatest Scientific Problem of His Time" | Heldman, Alan | 2013-5 | 14 |
| John Harrison (Part Two) | Heldman, Alan | 2013-3 | 8 |
| JOHN HARRISON - First Installment | Heldman, Alan | 2013-2 | 16 |
| John Harrison's Escapement Impulse is as Easy as 1,2,3 | Heskin, David | 2012-2 | 18 |
| Just How Good was Fedchenko?s Clock? | Agnew, Duncan | 2020-4 | 2 |
| Knife Edge Suspensions | Bateman, Doug | 1993-1 | 4 |
| Laurie Helske's Compound Pendulum Clock - Translation by Fortunat Mueller-Maerki | Holmstrom, Bob | 2001-1 | 11 |
| Le Bon's Equation Puzzle | White, Graham | 2002-3 | 8 |
| Letter to Doug Bateman re Q versus frequency | Edwards, Evan | 1992-2 | 10 |
| Letter to Even Edwards re Q versus frequency | Bateman, Doug | 1992-2 | 11 |
| Light Sensors and Pendulums | Matthys, Bob | 2013-2 | 2 |
| Linearity of the Air Pressure's Effect on a Pendulum's Clock Rate | Matthys, Bob | 2007-3 | 7 |
| Lip of the Arnfield escapement | Woodward, Philip | 1998-2 | 25 |
| List of articles from the Annales Francaise | Holmstrom, Bob | 2002-2 | 14 |
| Littlemore Clock | Hall, Edward T. | 1996-4 | 3 |
| Looking to confirm with old published experimental data a novel model of Harrison?s Cheeks-and-Ribbon pendulum suspension | De Marchi, Andrea | 2021-5 | 17 |
| Lowered Q improves clock performance | Edwards, Evan | 1995-2 | 5 |
| Lunar Gears in Thomas Mudge?s Bracket Clock | White, Graham | 2006-1 | 17 |
| Lunar/Solar Tides and Pendulum Clocks (part 1) | Van Baak, Tom | 2006-1 | 2 |
| Magnetic Escapement | Rainey, Michael | 1995-3 | 5 |
| Mainspring Barrel Design | Emmerson, Alan | 2009-2 | 2 |
| Mainspring in Barrels | Emmerson, Alan | 2010-3 | 16 |
| Marcel Betrisey's Radiometric Pendulum Clock | Holmstrom, Bob | 2002-3 | 20 |
| Masters, Servants, Countwheels, and a new Artificial Clockmaker | Agnew, Duncan | 2018-5 | 11 |
| Math Kit for Circular Error Correction with tangent-ounces | Cain, Dallas | 2004-4 | 12 |
| Mathematics of a Clock Escapement | Petrangeli, Dr. Eng. Gianni | 2013-2 | 30 |
| Mathematics of a Coaxial Watch Escapement, An Introduction for Horological Science Newsletter | Petrangeli, Dr. Eng. Gianni | 2018-1 | 2 |
| Mathematics of a Watch Escapement | Petrangeli, Dr. Eng. Gianni | 2017-3 | 23 |
| Measurement of Fedchenko Period Errors - A First Attempt | Holmstrom, Bob | 2004-1 | 24 |
| Measuring a Clock's Temperature Response | Belleville, Robert L. | 2000-3 | 9 |
| Measuring a Pendulum's Period | Matthys, Bob | 2004-3 | 3 |
| Measuring Amplitude with the MicroSet Timer | Bigelow, Ned | 1998-3 | 10 |
| Measuring Amplitude, Velocity and Q | Drumheller, Doug | 2012-4 | 6 |
| Measuring and Analysing a new Clock ? Part 1 | Haine, John | 2020-5 | 2 |
| Measuring Clock Error | Walker, Jerry | 1995-1 | 7 |
| Measuring clocks within a tenth of a second | Tekippe, Bernie | 1993-3 | 11 |
| Measuring Pendulum Amplitude with the MicroSet | Smith, David J. | 1997-5 | 24 |
| Measuring Temperature Compensation with MicroSet | Mumford, Bryan | 2000-3 | 16 |
| Measuring the Critical Geometric Parameters of a knife-edge Bearing | McGurk, Leon H. | 2000-2 | 28 |
| Measuring the Simple Harmonic Motion of a Pendulum | Mumford, Bryan | 2016-1 | 2 |
| Measuring the Simple Harmonic Motion of a Pendulum | Drumheller, Doug | 2016-1 | 2 |
| Mechanical Advantage in Harrison?s Late Grasshopper Escapement | Hastings, Peter | 2012-3 | 7 |
| Mechanics of a Pendulum - Circular Error Correction - The essentials in a page to set the stage | Cain, Dallas | 2009-3 | 26 |
| Mechanics of the Escapement Driven Pendulum | Joseph, Steve | 2007-4 | 2 |
| Middle Temperature Error | Boettcher, David | 2017-1 | 10 |
| More | Bigelow, Ned | 1998-2 | 27 |
| More comments on Q | Prasil, Tony | 1993-3 | 8 |
| More Observations of a Lifted Pendulum by John Haine | Haine, John | 2010-4 | 23 |
| More on Pendulum Drive by Lifting | Bigelow, Ned | 2005-2 | 22 |
| More on Pendulums Driven Off Resonant Frequency | Fritz, Norman | 1997-2 | 17 |
| More on Q | Boucheron, Pierre | 1993-1 | 17 |
| More on Support Losses and Surprises with a New Experimental Rig | Heldman, Alan | 2007-4 | 17 |
| More Querys About Q | Bateman, Doug | 1999-2 | 31 |
| Moving Pendulum clocks from Rochester, NY to Green Valley, AZ | Edwards, Evan | 1993-2 | 7 |
| Mr. Heldman?s Apparatus, Quantitatively | Cleyet, Bernard | 2008-2 | 11 |
| Muchless Electromagnetic Pendulum Drive Circuit | Bigelow, Ned | 1999-3 | 20 |
| Mudge's Lunar Gear | White, Graham | 2005-4 | 15 |
| Multi-variant Regression Analysis of Horological Data using R | Holmstrom, Bob | 2019-1 | 28 |
| Musings on a Longcase Mechanical Clock | Evans, Paul C. | 2006-4 | 23 |
| My Suitcase Model Foucault Pendulum | Viglione, Dominic | 1997-1 | 2 |
| New book - Pendulum by Baker and Blackburn | Holmstrom, Bob | 2005-4 | 29 |
| New Book - Woodward on Time | Evans, Paul C. | 2006-5 | 26 |
| New Books: Betts - Marine Chronometers Greenwich + Frumer - Making Time | Holmstrom, Bob | 2018-1 | 12 |
| New Horological Science Research Tool Available at NAWCC Library | Mueller-Maerki, Fortunat | 2001-4 | 14 |
| New information on Invar in the NAWCC LIbrary | Martt, Ernest | 1997-4 | 2 |
| New material for pendulum rods | Payne, Michael | 1995-2 | 14 |
| Nonlinearity as an essential component in the Modelling of the Assisted Pendulum | J. B. Edwards | 2020-2 | 2 |
| note from John Edwards | J. B. Edwards | 2020-3 | 32 |
| Note from Stuart Kelley re Motion of the Simple Pendulum | Kelley, C. Stuart | 2013-1 | 30 |
| Notes on Fused Silica and ULE - Some parallel experience with mercury arc tubes. | Martt, Ernest | 1996-5 | 14 |
| Notes on Isochronous Pendulums | Katsma, Robert | 1999-5 | 13 |
| Notice of speakers at the Atlanta National | Martt, Ernest | 1997-2 | 2 |
| Notion of Random Error in Pendulum Clocks, Revisited | Heldman, Alan | 2000-4 | 10 |
| Obituary for ?Pendulum Q? by Alan Heldman | Heldman, Alan | 2017-4 | 2 |
| Oh no, not Q again! | Haine, John | 2014-2 | 2 |
| Old Atmos clock repair | Wale, Ted | 1999-1 | 4 |
| Old brass mainsprings? | Bigelow, Ned | 1999-1 | 4 |
| Old but still interesting articles from the Horological Journal | Matthys, Bob | 1997-1 | 14 |
| On Camus? Teeth of Wheels | White, Graham | 2006-2 | 3 |
| On Casting Lead Alloy Weights | Bigelow, Ned | 1994-1 | 22 |
| On Compound Pendulums Suspended From Circular Chops | Millington, Andrew | 2018-3 | 13 |
| On Compound Pendulums Suspended From Circular Chops | Haine, John | 2018-3 | 13 |
| On Leonardo's Lunar-display Sketches | White, Graham | 2010-2 | 2 |
| On Randomness | Emmerson, Alan | 2005-3 | 42 |
| On Suspension Springs | Bigelow, Ned | 1995-1 | 9 |
| On the amplitude of the Synchronome oscillator | Haine, John | 2017-5 | 14 |
| On the Correction of a Pendulum for the Reduction to a Vacuum: Together with Remarks on Some Anomalies Observed in Pendulum Experiments By F. Baily - Comments on Knife Edges submitted by R. Matthys | Matthys, Bob | 2011-1 | 16 |
| On the Development of a Rod-Less Pendulum Clock | Everman, Mike | 2009-5 | 2 |
| On the rules pertaining to the choice of suspension spring dimensions of a horological regulator by P. Le Rolland | Lemieux, Marc-Andre | 2008-5 | 9 |
| Online horological books | Holmstrom, Bob | 2007-3 | 30 |
| Online resources | Holmstrom, Bob | 2014-4 | 16 |
| Online Resources of Interest | Holmstrom, Bob | 2014-2 | 4 |
| Open letter to the analysts and mathematicians in the Horological Science Chapter | Matthys, Bob | 1998-4 | 10 |
| Oscillator Stability Measurement | Hobden, M.K. | 2013-5 | 2 |
| Overview of Q relative to pendulum clocks | Edwards, Evan | 1993-1 | 19 |
| Parabolic Conical Pendulums, and Some New Cycloidal Pendulums | Houtman, Hubert | 2011-1 | 2 |
| Pecqueur's Memoire on Epicyclic Summing Gears - III - A Review by Arago and De Prony | White, Graham | 2007-5 | 20 |
| Pecqueur's Memoire on Epicyclic Summing Gears - Part 1 by Graham White | White, Graham | 2007-2 | 13 |
| Pecqueur's Memoire on Epicyclic Summing Gears. II | White, Graham | 2007-3 | 13 |
| Peeling an Onion ( A Framework for Time keeping Quality) | Friedenthal, Ken | 1998-1 | 11 |
| Pendulum Accuracy, part 1 ? Purity and Quality | Van Baak, Tom | 2015-2 | 2 |
| Pendulum Adjustment Nomogram (reprint) | Saby, John | 1993-5 | 18 |
| Pendulum Air Movement | Matthys, Bob | 2000-1 | 11 |
| Pendulum Air Movement: A Failed Experiment | Matthys, Bob | 1999-4 | 11 |
| Pendulum and sensor experiments ? A work in progress | Holmstrom, Bob | 2018-4 | 19 |
| Pendulum Bob Configuration and Thermal Compensation | Feinstein, George | 1994-2 | 3 |
| Pendulum circular error correction for a nickel | Cain, Dallas | 1993-1 | 7 |
| Pendulum Dynamics and the Advance of Science | Emmerson, Alan | 2008-5 | 2 |
| Pendulum Error, An Important Cause of - sliding friction between the pendulum rod and bob | Walker, Jerry | 1997-2 | 5 |
| Pendulum losses as a function of semiarc | Boucheron, Pierre | 1993-2 | 9 |
| Pendulum period versus pressure | Boucheron, Pierre | 1993-5 | 3 |
| Pendulum Rods | Matthys, Bob | 1993-5 | 8 |
| Pendulum Simulation 1: Period and Circular Error | Van Baak, Tom | 2014-1 | 18 |
| Pendulum Simulation 2: Changing Length or Gravity | Van Baak, Tom | 2014-5 | 19 |
| Pendulum spring / circular error references | Holmstrom, Bob | 2001-5 | 20 |
| Pendulum Spring and Flexure Bibliography (update) | Holmstrom, Bob | 2008-5 | 20 |
| Pendulum Support Loss Measured With a View to Optimal Design and Mounting - Part 2 | Heldman, Alan | 2007-1 | 15 |
| Pendulum Support Loss Measured With a View to Optimal Design and Mounting ? Part 1 | Heldman, Alan | 2006-5 | 4 |
| Pendulum Support Loss: Further Comments in View of Feedback Received (including the "Response" from Alan Emmerson in HSN 2007-1) | Heldman, Alan | 2007-2 | 20 |
| Pendulum Support Losses | Emmerson, Alan | 2007-3 | 19 |
| Pendulum Support Reaction and Support Drives | Bigelow, Ned | 1994-3 | 11 |
| Pendulum Suspension Springs | Matthys, Bob | 1993-4 | 16 |
| Pendulums - Noise, Mass, and Non-Linearity | Haine, John | 2012-3 | 10 |
| Pendulums and External Vibrations | Matthys, Bob | 2007-4 | 26 |
| Pendulums driven off resonant frequency | Fritz, Norman | 1996-1 | 9 |
| Pendulums Factors Card | Edwards, Evan | 1992-2 | 9 |
| Pendulums Revisited | Emmerson, Alan | 1999-2 | 2 |
| Pendulums swinging with very small amplitudes | Bateman, Doug | 1993-4 | 17 |
| Period Error During Amplitude Measurement | Millington, Andrew | 2008-4 | 8 |
| Period of a Cycloidal Pendulum with Rotation Proportional to Displacement | Katsma, Robert | 1999-5 | 16 |
| Period of a Simple Pendulum is Not 2*pi*(L/g)^0.5 | Matthys, Bob | 2003-5 | 13 |
| Period Variation in an Electronically Maintained Clock | Belleville, Robert L. | 1999-4 | 3 |
| Pertinent quotes from early letters by Rawlings and Shortt via | Feinstein, George | 1996-5 | 24 |
| Phase diagram for quartz | Martt, Ernest | 1996-5 | 16 |
| Phase Shifts in a Single-Coil, Sinusoidal, Pendulum Drive Circuit | Bigelow, Ned | 1999-4 | 14 |
| Philip Woodward - Obituary | Holmstrom, Bob | 2018-1 | 6 |
| Philosophical Treatise on HSN Issue 1999-1 | Hopkins, Paul | 1999-2 | 30 |
| Photoelectronics for Pendulums | Matthys, Bob | 2000-5 | 2 |
| Pierre Boucheron, A dedication to | Martt, Ernest | 1994-2 | 2 |
| Pivot point, stresses, and moment of flexure pendulum support | Bigelow, Ned | 1994-5 | 7 |
| Position sensitivity along the pendulum rod | Matthys, Bob | 1998-2 | 29 |
| Postscript | J. B. Edwards | 2020-4 | 30 |
| Postscript to: "Linearity of the Air Pressure's Effect on a Pendulum's Clock Rate" | Matthys, Bob | 2007-4 | 28 |
| Power Flow in the Antikythera Mechanism | White, Graham | 2002-5 | 14 |
| Power Flow in the Antikythera Mechanism - 2 page Correction | White, Graham | 2003-1 | 23 |
| Precision Determination of Pendulum Period | Heldman, Alan | 1997-2 | 11 |
| Precision Free Pendulum Measurement by Digital Delayed Sweep Oscilloscope | Houtman, Hubert | 2011-2 | 23 |
| Progress on My Regulator Clock | Edwards, Evan | 1998-1 | 18 |
| Progress report on two-pendulum clock JB2 | Bigelow, Ned | 1996-1 | 7 |
| Proposal to compare pairs of precision clocks | Martt, Ernest | 1993-5 | 17 |
| Pulleys on clocks: What | Heldman, Alan | 1998-4 | 6 |
| Putting Q To Rest | Edwards, Evan | 1998-5 | 2 |
| Putting Q To Rest | Woodward, Philip | 1998-5 | 2 |
| Q | Thackery, Steve | 2012-2 | 31 |
| Q | Michie, Neville | 2014-5 | 3 |
| Q and balance controlled timekeepers | Betts, Jonathan | 2012-4 | 29 |
| Q and the ?Grand Mother? Clock continued (Part 2) | Cleyet, Bernard | 2012-5 | 9 |
| Q and the ?Grand Mother? Clock continued (Part 3) | Cleyet, Bernard | 2014-1 | 12 |
| Q Calculation from Time at BDC of a Pendulum (as measured by a photo-gate or similar time detector) | Cleyet, Bernard | 2007-4 | 29 |
| Q, A reply to comments on | Fritz, Norman | 1993-3 | 8 |
| Q, Again | Matthys, Bob | 2010-5 | 15 |
| Q, Bob shape and air currents | Matthys, Bob | 1994-5 | 11 |
| Q, The facts about pendulum | Boucheron, Pierre | 1993-3 | 7 |
| Q, The origin of | Uber, Gordon | 1995-2 | 7 |
| Q, The Quality Factor | Fritz, Norman | 1993-2 | 14 |
| Q. How to determine | Boucheron, Pierre | 1993-3 | 11 |
| Q1 | Scolnik, Bill | 2010-3 | 2 |
| Quality factor - The Practical Approach | Bateman, Doug | 1994-3 | 3 |
| Quantifying Temperature and Barometric Effects in Free Pendulum Clocks | Belleville, Robert L. | 1999-3 | 2 |
| Quartz Rod Experience | Hopkins, Paul | 1996-5 | 13 |
| Quartz Tubing As Part of Temperature Compensation | Matthys, Bob | 1996-5 | 9 |
| Question and Response re Houtman article | Wale, Ted | 2008-2 | 29 |
| Random Disturbances and the Allan Coefficient | Friedenthal, Ken | 1997-1 | 11 |
| Re MTE | Betts, Jonathan | 2017-2 | 27 |
| Real Compound Pendulums | Matthys, Bob | 2004-4 | 3 |
| Recent experiments with a regulator clock | Edwards, Evan | 1992-1 | 2 |
| Recoil Escapement Modelling by State-Transition | J. B. Edwards | 2020-4 | 12 |
| Reference to Hipp Chronoscope paper | Mueller-Maerki, Fortunat | 2004-4 | 16 |
| Regulating a Compound Pendulum | Norwood, V.T. | 2000-2 | 17 |
| Regulating a Compound Pendulum, Revisited | Taylor, Snowden | 2001-1 | 3 |
| Remote sensing device with electrical & timing machine output | Walker, Jerry | 1994-5 | 3 |
| Renewal ? New rates | Spong, E. David | 2013-5 | 33 |
| Renewal notice | Holmstrom, Bob | 2016-1 | 32 |
| Reply to Alan Emmerson | Houtman, Hubert | 2006-1 | 31 |
| Reply to Alan Heldman | Woodward, Philip | 1999-2 | 27 |
| Reply to John Haine and Andrew Mil | Hobden, M.K. | 2017-1 | 5 |
| Reply to Richard Whitehead (2001-4) | Woodward, Philip | 2001-5 | 22 |
| Request for a source of front-silvered mirrors | Wale, Ted | 1998-4 | 6 |
| Request for articles | Holmstrom, Bob | 2015-4 | 20 |
| Request for biographies | Holmstrom, Bob | 2000-5 | 32 |
| Request for Collaborations | Jarvis, John | 2010-3 | 31 |
| Request for information on driving a pendulum off its natural frequency | Prasil, Tony | 1992-1 | 1 |
| Request for information on Long's Escapement | Harold, Mike | 1992-2 | 1 |
| Request for translation help | Holmstrom, Bob | 2000-4 | 34 |
| Resonance in Spherical Pendulums | Haine, John | 2009-1 | 13 |
| Response from Peter Hastings | Hastings, Peter | 2013-3 | 7 |
| Response to Alan Emmerson | Drumheller, Doug | 2015-1 | 13 |
| Response to Alan Heldman HSN 2013-1 | Betts, Jonathan | 2013-2 | 14 |
| Response to Alan Heldman HSN 2013-1 | de Clercq, Peter | 2017-5 | 27 |
| Response to Alan Heldman on Pendulum Support Losses | Emmerson, Alan | 2007-1 | 26 |
| Response to Alan Heldman's New Experiment, etc. | Cleyet, Bernard | 2007-5 | 33 |
| Response to Doug Bateman | Betts, Jonathan | 2017-1 | 2 |
| response to Emmerson re chaos | Heldman, Alan | 1999-3 | 31 |
| Response to Fasoldt Suspension Question | Everman, Mike | 2010-2 | 20 |
| Response to Hubert Houtman?s Temporal Analysis of Pendulums | Emmerson, Alan | 2005-5 | 18 |
| Response to John Haine (HSN 10-3) | Thackery, Steve | 2010-4 | 22 |
| Response to Mr K Johnson's Article: ?David Heskin?s Book - Perfecting the Harrison Single Pivot Grasshopper Escapement | Heskin, David | 2011-3 | 20 |
| Response to Seasonal Amplitude Question | Heldman, Alan | 2009-2 | 39 |
| Response to Thomas Frank about Feral Cl | Lamoureux, Richard | 2021-1 | 26 |
| Responses to Alan Heldman. | Emmerson, Alan | 2000-5 | 32 |
| Results of Proportional Digital Drive with #8 Pendulum | Belleville, Robert L. | 2009-4 | 20 |
| Review | Matthys, Bob | 1995-4 | 10 |
| Review - Suspension Springs for accurate pendulums - Matthys | Martt, Ernest | 1995-4 | 4 |
| Review by of Blair Martin's master's thesis, An Analytic Investigation of the Ultimate Limitations on the Accuracy of the Pendulum Clock. (See HSN 1984) | Woodward, Philip | 1998-5 | 12 |
| review of a booklet by an HSC member, Dr. David S. Goodman | Martt, Ernest | 1997-4 | 2 |
| Review of a Modern Free (on-line) Book, Strongly Recommended | Heldman, Alan | 2007-4 | 24 |
| Review of David Heskin's Sleeping in Oblivion | Fergusson, Colin | 2008-5 | 26 |
| review of Philip Woodward's new book, My Own Right Time | Bigelow, Ned | 1996-1 | 3 |
| Review of two important articles by Bryan Mumford in the November and December issues of the Horological Journal, the first is on Pendulums Interfere With Each Other (Nov.), the second is Experimental Electromagnetic Clocks. | Martt, Ernest | 1999-1 | 2 |
| Review: Mechanics of the Sandglass by AA Mills, W Day, S Parks | Martt, Ernest | 1997-1 | 10 |
| Rittenhouse Equation of Time Mechanism | Holmstrom, Bob | 2011-1 | 28 |
| Robertson?s Bristol Clock | Holmstrom, Bob | 2008-2 | 21 |
| Rock the boat | Bigelow, Ned | 2000-3 | 25 |
| Rock the boat | Heldman, Alan | 2000-3 | 25 |
| Rock the boat | Cain, Dallas | 2002-2 | 20 |
| Rock the boat | Rozycki, Carl | 2002-2 | 20 |
| Rock the boat | Heldman, Alan | 2013-1 | 30 |
| Rock the Boat - Can Experiments Add Some Useful Facts to the Q Debate | Holmstrom, Bob | 1999-2 | 32 |
| Rock the boat - Drag and inertia effects on pendulums | Pook, Les P | 2004-3 | 23 |
| Rock the boat - Gravity Compensation? | Whitehead, Richard | 2001-4 | 18 |
| Rock the boat - Humidity | Emmerson, Alan | 2002-4 | 20 |
| Rock the boat - Meccano Clocks | Pook, Les P | 2005-4 | 29 |
| Rock the boat - The Shortt clock and a question of interference | Woodward, Philip | 2004-2 | 24 |
| Rock the Boat - Thoughts on Bob Shape | Casson, Henry | 2001-2 | 10 |
| Rock the Boat - Two items | Owen, Robert | 2001-2 | 9 |
| Rock the Boat - Why Cross Out Wheels? | Croce, Garlo G. | 2004-1 | 25 |
| Rock the Boat Again | Cain, Dallas | 2002-1 | 18 |
| Rocking the Boat - Next Version of a Scientific Pendulum Drive | Cain, Dallas | 2012-1 | 34 |
| Rocking the Boat - Re Circular Error compensation | Cain, Dallas | 2012-1 | 33 |
| Rocking the Boat Response ?Electronic Measurement of Amplitude of Swing? | Cain, Dallas | 2009-3 | 27 |
| Rocking the Boat Response - Seasonal Amplitude Variation | Emmerson, Alan | 2009-3 | 30 |
| Rocking the boat: Circular Error | Cain, Dallas | 2009-2 | 40 |
| Rolamite Suspension (comment) | Bigelow, Ned | 1995-1 | 2 |
| Roller Suspension | Woodward, Philip | 1994-5 | 2 |
| Roster | Holmstrom, Bob | 2001-2 | 11 |
| Roster of members thru 1997 | Martt, Ernest | 1998-1 | 23 |
| Salvaging Invar from Discarded CRTs | Ward, Bill | 2009-1 | 21 |
| Satori Electric Clock Description | Holmstrom, Bob | 2001-1 | 21 |
| Satori Quartz Pendulum Brochure Translation | Cipra, Jim | 2001-1 | 18 |
| Satori Quartz Pendulum Patent - Translation + photos + drawing | Cipra, Jim | 2001-1 | 15 |
| Scaling the Size of a Pendulum | Matthys, Bob | 1995-1 | 3 |
| Scaling the size of a pendulum | Irving, Roger | 1995-2 | 13 |
| Seasonal Tower Clock Amplitude | Ward, Bill | 2009-1 | 22 |
| Set of Brass Springs | Bigelow, Ned | 2000-5 | 32 |
| Short History of Pendulum Temperature Compensation | Matthys, Bob | 2000-3 | 2 |
| Should a pendulum rod be rigid of flexible? | Feinstein, George | 1998-5 | 2 |
| Shrink Fit Attachment To Quartz Rods | Bigelow, Ned | 1997-1 | 4 |
| Signal and Noise | Belleville, Robert L. | 2015-3 | 2 |
| Silica Rod for a Seconds Pendulum | Irving, Roger | 2000-4 | 8 |
| Simplifying the drive circuit! (of HSN 1999-3 | Cain, Dallas | 1999-4 | 20 |
| Singer, Joe - Obituary | Martt, Ernest | 1994-5 | 2 |
| Single - Ended Drive of a Double-Pendulum Clock | Haine, John | 2007-5 | 27 |
| Sinusoidal Drive of a Pendulum | Matthys, Bob | 1999-1 | 6 |
| Sinusoidal Drive of a Pendulum, A Note on | Matthys, Bob | 1999-3 | 29 |
| Smartphone Sensors and Horology | Holmstrom, Bob | 2016-2 | 21 |
| Smooth Electromagnetic Impulse Without Electronics | Heldman, Alan | 1999-4 | 17 |
| Solid One-Piece Suspension Springs | Matthys, Bob | 1999-2 | 18 |
| Solution of the Barometric Compensation Problem | Drumheller, Doug | 2012-4 | 2 |
| Some Answers for Alan Heldman Clock B | Bateman, Doug | 2017-5 | 23 |
| Some comments from Alan Emmerson | Emmerson, Alan | 2016-1 | 32 |
| Some Comments on M. K. Hobden?s Findings | Woodward, Philip | 2013-4 | 10 |
| Some Mathematics of the Cantilever Pendulum | Emmerson, Alan | 1999-3 | 11 |
| Some Notes On The Strutt Epicyclic Train Clock | Smith, W.R. | 2003-4 | 2 |
| Some Observations About Scientific Research & Discoveries | Swetsky, Martin | 2001-3 | 13 |
| Some Practical Properties of Quartz | Matthys, Bob | 1997-2 | 9 |
| Some Replies to Robert Matthys's Questions | Woodward, Philip | 1998-5 | 14 |
| Some thoughts on 'disturbances to pendulums' | Haine, John | 2011-2 | 17 |
| Some Thoughts on Pendulum Rod Materials | Yates, Philip | 2016-1 | 14 |
| Some Thoughts on Suspension Springs | Woodward, Philip | 1998-5 | 3 |
| Some thoughts on the Littlemore clock | Mumford, Bryan | 2004-5 | 20 |
| Sounds, Ticking (query) | Payne, Michael | 1995-1 | 2 |
| Spectral Analysis of Pendulum clocks (Tides, part 6) | Van Baak, Tom | 2021-5 | 22 |
| Spiral Hairspring | Johnston, Kenneth | 2000-1 | 9 |
| Spring Suspensions for a Pendulum by Fedchenko & Fleer. reprint | Fedchenko | 1999-4 | 21 |
| Stabilisation of Pendulum Amplitude | Whitehead, Richard | 2006-1 | 9 |
| Stability (Allan Deviation) of Mechanical Clocks for Short Intervals. | Uber, Gordon | 1997-3 | 2 |
| State-Transition Modelling of the Grasshopper Escapement | J. B. Edwards | 2021-2 | 5 |
| State-Transition Models for Simulating Nonlinear Horological and Related Systems: Two Case Studies | J. B. Edwards | 2019-5 | 10 |
| Still more on anomalous circular error in a compound pendulum | Bigelow, Ned | 1998-3 | 10 |
| Summary | Betts, Jonathan | 1998-3 | 2 |
| Summary by E. C. Martt of a paper on soil stability written by Raplph T. Berg, sent by Bob Matthys on Inertial Test Slab Stability Study | Berg, Ralph T. | 1998-4 | 11 |
| Summary by E. C. Martt of a paper on soil stability written by Raplph T. Berg, sent by Bob Matthys on Inertial Test Slab Stability Study | Martt, Ernest | 1998-4 | 11 |
| Sunk and Salvaged | Woodward, Philip | 2005-4 | 28 |
| Supplier for first surface mirrors | Ward, Bill | 1999-1 | 3 |
| Suspension Spring Stiffness and Pendulum Mass | Emmerson, Alan | 2008-4 | 17 |
| Suspension spring without a formula in sight | Woodward, Philip | 2001-4 | 6 |
| Suspension system designed to provide isochronous motion of the pendulum | Ellison, Bill | 1994-5 | 4 |
| Symmetric Hand Positions | Kelley, C Stuart | 2015-1 | 2 |
| Symposium details | Holmstrom, Bob | 2004-1 | 2 |
| Symposium details | Holmstrom, Bob | 2004-2 | 2 |
| Symposium details | Holmstrom, Bob | 2004-3 | 2 |
| Symposium details | Holmstrom, Bob | 2004-5 | 2 |
| Symposium in Houston | Holmstrom, Bob | 2005-4 | 29 |
| Symposium schedule | Holmstrom, Bob | 2004-4 | 2 |
| Synchronous Oscillations of Asymmetric Coupled Pendulums | Haine, John | 2010-5 | 6 |
| Technical data for fused silica | Martt, Ernest | 1996-5 | 17 |
| Technical Data Index For Fused Silica and ULE | Martt, Ernest | 1996-5 | 15 |
| Temperature Compensation of a Replica of John Harrison?s First Sea Clock | Drumheller, Doug | 2017-2 | 2 |
| Temporal Analysis of Pendulums | Houtman, Hubert | 2005-4 | 3 |
| Tesla's Electrolytic clock - information found by | O'Brian, Ed | 2004-3 | 16 |
| Text correction for Antikythera Revisited. | White, Graham | 2008-2 | 30 |
| The Accuracy of Precision Pendulum Clocks - A budding discussion in ?Mitteilungen, Deutsche Gesellschaft fuer Chronometie? | Novak, Karl | 2006-4 | 28 |
| The Burgess Clock B at Greenwich - some comments by Douglas Bateman | Bateman, Doug | 2016-5 | 4 |
| The Design of Elliptical Pendulums | Houtman, Hubert | 2005-2 | 2 |
| The Direction of the Wood Grain in Harrison's Pallats | Casson, Henry | 2011-4 | 22 |
| The Elliptical Pendulum and a Theorem | Emmerson, Alan | 2006-2 | 9 |
| The Fallacy About Random Errors | Heldman, Alan | 2005-2 | 12 |
| The Harrison Hill Test ? Part 1 | Hobden, M.K. | 2012-5 | 12 |
| The Harrison Hill Test ? Part 2 | Hobden, M.K. | 2013-1 | 2 |
| The Harrison Hill Test ? Part 3 | Hobden, M.K. | 2013-4 | 19 |
| The Harrison Hill Test ? Part 4 | Hobden, M.K. | 2014-1 | 2 |
| The Harrison Hill Test ? Part 5 | Hobden, M.K. | 2015-2 | 10 |
| The HSN and BHM website is moving! | Holmstrom, Bob | 2021-4 | 24 |
| The Influence of Non-linearity on Oscillator Noise for Microwave Synthesis | Hobden, M.K. | 2012-4 | 13 |
| The Longitude Examin?d By ?Jeremy Thacker? or Dr. John Arbuthnot? | Ward, Bill | 2013-4 | 12 |
| The Mass Response, Analytical Analyzed, of a Sinusoidally Driven Linearly Damped Harmonic Oscillator | Cleyet, Bernard | 2012-4 | 18 |
| The Mercury-Compensated Cylindrical Pendulum | Kelley, C. Stuart | 2012-2 | 2 |
| The Paper by Haine and Millington HSN 2016-3 | Hobden, M.K. | 2016-4 | 25 |
| The Pendulum ? A Book review | Heckenberg, N.R. | 2006-3 | 21 |
| The RAS Grasshopper | Wale, Ted | 2011-3 | 23 |
| The Robertson Regulator | Haine, John | 2021-5 | 2 |
| The Shortt Clock and a Question of Interference | Miles, Bob | 2005-4 | 26 |
| The Single Coil Sinusoidal Electromagnetic Escapement (Part 1) | Yates, Philip | 2016-5 | 9 |
| The spring-barrel/fusee/anchor-recoil-escapement pendulum clock as an integrated system with phase-locked negative feedback | Heldman, Alan | 2009-3 | 2 |
| The state of HSN | Holmstrom, Bob | 2019-1 | 2 |
| The Tangent Rule in Practice | Cima, Pepi | 2020-2 | 21 |
| The Technology of the Precision Clock Used as a Clockmaker?s Regulator | Novak, Karl | 2006-2 | 20 |
| The Unilateral Twin Pivot Grasshopper Escapement | Heskin, David | 2014-1 | 9 |
| Theoretical Analysis of Period Errors in the Fedchenko Pendulum | Pook, Les P | 2004-1 | 3 |
| Theory of the Verge & Foliot Clock of the Early Medieval Age | Roess, Dieter | 2018-2 | 2 |
| Thermal Compensation of Pendulum Clocks - A Reference List | Holmstrom, Bob | 2000-3 | 22 |
| Things Are Seldom What They Seem - Christiaan Huygens, The Pendulum and the Cycloid | Emmerson, Alan | 2005-1 | 2 |
| Thoughts on cross flex suspensions | Harold, Mike | 1992-2 | 7 |
| Thoughts on pendulum stiffness. | Payne, Michael | 1999-1 | 3 |
| Thoughts on Reading Tom van Baak?s Paper "Pendulum Accuracy" | Heldman, Alan | 2015-3 | 20 |
| Thoughts on The Square Root Law | Heldman, Alan | 2000-5 | 30 |
| Thoughts on Torsional Pendulums | Payne, Michael | 1995-3 | 12 |
| Tick vs Tock (request for survey) | Prasil, Tony | 1995-2 | 12 |
| Tidal Effects on Pendulums at Various Latitudes | Belleville, Robert L. | 2015-2 | 21 |
| Time Comparator | Prasil, Tony | 1993-2 | 5 |
| Tomlinson electrostatically maintained pendulum | Bateman, Doug | 1995-2 | 3 |
| Transient Temperature Compensation | Bigelow, Ned | 1997-1 | 16 |
| Transient temperature compensation | Bateman, Doug | 1997-2 | 17 |
| Transient Temperature Effects in a Pendulum | Matthys, Bob | 1997-3 | 5 |
| Translation of introduction to Thesis on Mercury Pendulums | Holmstrom, Bob | 2001-3 | 22 |
| Turbulent Discussions of Pendulums | Heldman, Alan | 1999-4 | 19 |
| Two-year performance of EvanEdwards | Edwards, Evan | 2002-3 | 14 |
| Type Identification of Epicyclic Fixed-Center Astronomical Gears | White, Graham | 2013-4 | 2 |
| Ultimate Electro-Magnetic Drive for a Clock Pendulum | Cain, Dallas | 1998-1 | 21 |
| Ultimate Electro-Magnetic Drive for a Clock Pendulum | Cain, Dallas | 1998-2 | 2 |
| Ultimate pendulum: Higher Q or Better Drive? | Cain, Dallas | 1995-1 | 11 |
| Understanding Hybrid Quartz / Pendulum Clocks | Van Baak, Tom | 2012-1 | 20 |
| unpublished article by John Early Jackson on Analytic Treatment of Effect of Support Movement on Frequency of a Pendulum. | Feinstein, George | 1997-1 | 5 |
| Update to Chapter Notes | Holmstrom, Bob | 2017-4 | 29 |
| Update to index information | Fritz, Norman | 2004-1 | 25 |
| Useful Tool for Horological Modeling | Holmstrom, Bob | 1999-1 | 18 |
| Using changes in escapement error to offset changes in circular error | Edwards, Evan | 1994-3 | 19 |
| Velocity-Dependent Electromagnetic Maintaining System For Use In High-Precision Pendulum Clocks | Baxendall, Peter J. | 1996-3 | 3 |
| Venture Into the Turbulent Waters of Chaos Theory as it Pertains to Pendulums. | Heldman, Alan | 1999-1 | 22 |
| Verge & Foliot Escapement Experiments | Holmstrom, Bob | 2020-1 | 8 |
| Visual Display of Quantitative Information | Heldman, Alan | 2000-4 | 16 |
| W5 CD | Holmstrom, Bob | 2004-2 | 24 |
| W5 Construction Details - Corrections | Holmstrom, Bob | 2003-4 | 18 |
| W5 Construction Details - Corrections | Holmstrom, Bob | 2003-5 | 14 |
| W5 Construction Details - Part 1 | Holmstrom, Bob | 2002-5 | 2 |
| W5 Construction Details - Part 2 | Holmstrom, Bob | 2003-1 | 15 |
| W5 Construction Details - Part 3 | Holmstrom, Bob | 2003-2 | 9 |
| W5 Construction Details - Part 4 | Holmstrom, Bob | 2003-3 | 11 |
| W5 Escapement Model | Wale, Ted | 2003-1 | 22 |
| W5 Maintaining Work update | Holmstrom, Bob | 2004-1 | 25 |
| Water Clock Bibliography | Uber, Gordon | 2001-3 | 15 |
| Water Pendulum comments | Woodward, Philip | 1999-2 | 32 |
| Westinghouse Miniaturized Atomic Clock | Martt, Ernest | 1995-4 | 9 |
| What Changes When Gravity Changes (Tides, part 4) | Van Baak, Tom | 2009-5 | 21 |
| What I?ve been up to | Belleville, Robert L. | 2006-3 | 11 |
| What is the Best Way to Predict Future Performance of a Pendulum Clock | Heldman, Alan | 2000-4 | 17 |
| What Time is it? | Pritchard, Bill | 1995-5 | 8 |
| What was Fasoldt thinking? | Holmstrom, Bob | 2009-5 | 25 |
| What was Fasoldt thinking? | Saff, Don | 2009-5 | 25 |
| What you don | Matthys, Bob | 1995-3 | 2 |
| Who was Karl Satori? | Holmstrom, Bob | 2001-1 | 14 |
| Why Alan Heldman | Feinstein, George | 1999-3 | 32 |
| Why Does Higher Q Make Better Clocks? | Haine, John | 2011-4 | 2 |
| Why Does This Pendulum Work? | Heldman, Alan | 1999-1 | 5 |
| Wind Waves and Pendulums | Bigelow, Ned | 2006-3 | 26 |
| Within the Lid of B?rgi's 1590 Table Clock | White, Graham | 2011-4 | 24 |
| Woodward on Time review | Mueller-Maerki, Fortunat | 2007-2 | 28 |
| Woodward's questionable Method of Determining and Predicting Timeke[pper Performance | Heldman, Alan | 2004-4 | 17 |
| Worldwide Horology on the Internet | Uber, Gordon | 1994-4 | 19 |
