HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2007-2 April 2007
| Pages | Contents |
|---|---|
| 2 | Evan Edwards |
| 3 - 12 | Exploring Buoyancy by Robert L. Belleville |
| 13 - 19 | Pecqueur's Memoire on Epicyclic Summing Gears - Part 1 by Graham White |
| 20 - 26 | Pendulum Support Loss: Further Comments in View of Feedback Received (including the "Response" from Alan Emmerson in HSN 2007-1) by Alan Heldman |
| 27 | Electro-Magnetic Drive correction by Robert Matthys |
| 28 | Woodward on Time review by Fortunat Mueller-Maerki |
HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2007-1 January 2007
| Pages | Contents |
|---|---|
| 2 - 14 | Electro-Magnetic Drive with a More Free Pendulum - Part 2 by Robert Matthys |
| 15 - 25 | Pendulum Support Loss Measured With a View to Optimal Design and Mounting - Part 2 by Alan W. Heldman |
| 26 - 29 | Response to Alan Heldman on Pendulum Support Losses by Alan Emmerson |
| 30 | An Earthquake Observed by Robert L. Belleville |
HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2006-5 December 2006
| Pages | Contents |
|---|---|
| 2 - 3 | Ernie Martt |
| 4 - 11 | Pendulum Support Loss Measured With a View to Optimal Design and Mounting - Part 1 by Alan W. Heldman |
| 12 - 25 | Electro-Magnetic Drive with a More Free Pendulum - Part 1 by Robert Matthys |
| 26 | New Book - Woodward on Time |
HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2006-4 October 2006
| Pages | Contents |
|---|---|
| 2 -9 | Abbot Richard's Astronomical Gears - Part. II by Graham White |
| 10 - 19 | Another Look at the Text Behind North's and Bender's Reconstructions of Wallingford's Eclipse Mechanism by David M. MacMillan |
| 20 - 22 | An Attempt to Make Republican Hours Readable on a French Clock By Carlo G. Croce |
| 23 - 27 | Musings on a Longcase Mechanical Clock by Paul C. Evans |
| 28 - 29 | The Accuracy of Precision Pendulum Clocks - A budding discussion in "Mitteilungen, Deutsche Gesellschaft fuer Chronometie" By Heinrich Pavel (Germany) Contributed and translated by Fortunat Mueller-Maerki |
| 30 | Free access to Royal Society of London Archives by Bob Holmström |
HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2006-3 July 2006
| Pages | Contents |
|---|---|
| 2 - 10 | Abbot Richard's Astronomical Gears. Part. I by Graham White |
| 11 - 16 | What I've been up to by Robert Belleville |
| 17 - 20 | A New Escapement by Bernie Tekippe |
| 21 - 23 | The Pendulum - A Book review for the Horological Science Newsletter by Norman Heckenberg |
| 24 - 25 | A Rudimentary Treatise..... by Roger Irving |
| 26 | Wind Waves and Pendulums by Ned Bigelow |
HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2006-2 April 2006
| Pages | Contents |
|---|---|
| 2 | Back issue CD and W5 CD information by Henry Casson |
| 2 | Correction by Richard Whitehead |
| 3 - 8 | On Camus' Teeth of Wheels by Graham White |
| 9 - 10 | The Elliptical Pendulum and a Theorem by Alan Emmerson |
| 11 - 16 | It's About Time by Alan Emmerson |
| 17 - 19 | Grimthorpe's Grasshopper? by Henry Casson |
| 20 - 29 | The Technology of the Precision Clock Used as a Clockmaker's Regulator by Karl Novak - translated from J. Suisse d'Horlogerie Sep/Oct 1946 by Bradley Ross |
HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2006-1 January 2006
| Pages | Contents |
|---|---|
| 2 - 8 | Lunar/Solar Tides and Pendulum Clocks (part 1) by Tom Van Baak |
| 9 - 16 | Stabilisation of Pendulum Amplitude by Richard Whitehead |
| 17 - 24 | Lunar Gears in Thomas Mudge's Bracket Clock |
| 25 - 30 | Comments on the Accuracy of Lunar Gear Trains by John G. Kirk |
| 31 - 34 | Reply to Alan Emmerson by Hubert Houtman |
HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2005-5 November 2005
| Pages | Contents |
|---|---|
| 2 - 13 | Documents Concerning Thomas Mudge's Lunar Gear by Graham White |
| 14 | Drop of the Weight vs Ticking of the Escapement by Pete Riegel |
| 15 - 16 | Impulsing of the Shortt free pendulum - Philip Woodward replies to Robert Miles |
| 17 - 18 | A Dual Pendulum Sequel by Ned Bigelow |
| 18 | Response to Hubert Houtman's Temporal Analysis of Pendulums by Alan Emmerson |
HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2005-4 September 2005
| Pages | Contents |
|---|---|
| 2 | Good Behavior by Robert Matthys |
| 3 - 14 | Temporal Analysis of Pendulums by Hubert Houtman |
| 15 - 19 | Mudge's Lunar Gear by Graham White |
| 20 - 25 | Christiaan Huygens, the Pendulum and the Cycloid - Author's reply to Comments by Alan Heldman |
| 26 - 27 | The Shortt Clock and a Question of Interference by Robert Miles |
| 27 | A Query on the Shortt Free Pendulum by Robert Miles |
| 28 | Compound Pendulums & Floppy Bobs by Robert Matthys |
| 28 | Sunk and Salvaged by Philip Woodward |
| 29 | Rock the boat - Meccano Clocks by Les Pook |
| 29 | Symposium in Houston |
| 29 | New pendulum book |
HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2005-3 June 2005
| Pages | Contents |
|---|---|
| 2 - 26 | Impulsing the Pendulum: Escapement Errors by Dr. George Feinstein |
| 27 - 41 | Comments on Alan Emmerson's Huygens Article Plus Some Perhaps-New Ideas About Huygens' Clocks by Alan W. Heldman |
| 42 | On Randomness by Alan Emmerson |
| 43 - 44 | Fact and fallacy by Philip Woodward |
HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2005-2 March 2005
| Pages | Contents |
|---|---|
| 2 - 11 | The Design of Elliptical Pendulums by Hubert Houtman |
| 12 -16 | The Fallacy About Random Errors by Alan W. Heldman |
| 17 - 21 | A Dual Pendulum Chronical by Ned Bigelow |
| 22 | More on Pendulum Drive by Lifting by Ned Bigelow |
| 23 – 24 | Revision of Appendix C from HSN 2005-1 - Geometry of the Verge and Crown Wheel Escapement by Alan Emmerson |
HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2005-1 January 2005
| Pages | Contents |
|---|---|
| 2 - 32 | Things are seldom what they seem - Christiaan Huygens, The Pendulum and the Cycloid by Alan Emmerson |
HOROLOGICAL SCIENCE NEWSLETTER - NAWCC CHAPTER #161
Issue 2004-5 November 2005
| Pages | Contents |
|---|---|
| 2 | Symposium comments |
| 3 - 13 | Gearing of the 1575 Kassel Globe by Graham White |
| 14 | Floppy Bobs by Steve Thackery |
| 15 | Flicker noise as the arch enemy by Philip Woodward |
| 16 - 17 | Floorboard errors of a standing pendulum clock by Philip Woodward |
| 18 | Figures don't lie by Ned Bigelow |
| 18 | Another Response to Carlo G. Croce by Snowden Taylor |
| 18 | A useful online resource for sundial creation by Bob Holmström |
| 19 | A Light Weight Aerodynamic Pendulum Rod by Alan Heldman |
| 20 - 22 | Some thoughts on the Littlemore clock by Bryan Mumford |