Titles written by John Howell:
Number of documents found: 2
- Martin Ridout, John Howell
Title: Battery Insertion Movements [beeing: EHG Technical Paper No.84 {2013}]
SubTitle: DVD of a Lecture given to the Electrical Horological Group of AHS - June 2011
Keywords: electrical clock
Edition: 2013 No. 84
BHM No: 18504 - John Howell
Title: Servicing Procedures and Catalogue Details for the TMC "SPB" Half Second Pendulum Master Clock
SubTitle: EHG Paper No. 75 - Antiquarian Horological Society - Electrical Horology Group
Keywords: specifications electrical electromechanical
Other Keywords: TMC Telephone Manufacturing Company SPB
Edition: 2008-Paper 75
Page or pages: 36
BHM No: 12404
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