Woodwards gearless clock

[Colin WhittakerParticipant @colinwhittaker20544]

Marcus,

The Science of Clocks and Watches arrived and I've now finished it. OK I slid over some of the mathematics but I really enjoyed the graphical explanantion of why late or early pulsing of an escapement alters the regulation. I'm only sorry I had to encounter the cgs system again.

I guess I have all the books on horology I need now, well maybe just one more, Accurate Clock Pendulums by Bob Matthys, once I can justify 87 GBP for it (thanks John Haine).

Best regards, Colin

[Marcus BowmanParticipant @marcusbowman28936]

Colin,

One of the books I have, to which I find myself returning at intervals, is one of Derek Roberts' volumes: Precision Pendulum Clocks – France, Germany, America, and Recent Advancements. This contains little theory, and is too expensive as a casual purchase, but it contains many good photos of mechanisms, particularly the pendulums, suspensions and other details of the later fine timekeeprs by Reifler, Fedchenko; The Littlemore clock, and it has a chapter by Philip Woodward. There is much joy to be had just savouring the fine craftsmanship. Examples of many of the mechanisms can be seen at the Royal Observatory.

Another book I see mentioned from time to time, and again in this month's Horological Journal, is The Theory of Horology, by Reymondin, Monnier, Jeanneret and Pelaratti, published by the Swiss Federation of Technical Colleges/WOSTEP with the latest edition dated 2015. I am not convinced you would find enough about clocks in the book, or enough about heavy theory, as the description says more about watches. Fearfully expensive, but a book that has been around for a long time. I do not have a copy on my shelves, as my pocket money won't stretch that far.

Marcus

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