![]() Engler, Edmund A., Time-Keeping in London, Adobe Acrobat 3.1MB.David, Jacques, American and Swiss Watchmaking in 1876 translated by Richard Watkins, Adobe Acrobat 4.8MB.Crespe, François, Essay on Repeater Watches translated by Richard Watkins, Adobe Acrobat 2.4MB.Camus, C.E.L., A Treatise on the Teeth of Wheels from Richard Watkins, Adobe Acrobat 6.0MB. ![]() Buffat, Eugene, History and Design of the Roskopf Watch translated by Richard Watkins, Adobe Acrobat 2.4MB.Borsendorff, L, The History of a Watch translated by Richard Watkins, Adobe Acrobat 222KB.Bond, Richard F, Bond's Isodynamic Escapement transcribed by David M MacMillan.Blakey, William The Art of Making Watch Mainsprings, Repeater Springs and Balance Springs translated by Richard Watkins, Adobe Acrobat 1.3MB.Berthoud, Ferdinand & Auch, Jacob, How to Make a Verge Watch translated by Richard Watkins and E.J.Beckett, Edmund Lord Grimthorpe, A Rudimentary Treatise on Clocks, Watches and Bells from The Gutenberg Project, Adobe Acrobat 3.2MB.Airy, George Biddell, On the Vibration of a Free Pendulum in an Oval differing little from a Straight Line from Denis Roegel, Adobe Acrobat 290K.Airy, George Biddell, On the Forms of the Teeth of Wheels from Denis Roegel, Adobe Acrobat 2.6MB. ![]()
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