WatchTech - The Development of a Practical Watch Escapement, by Roger W. Smith - December 4, 2017 presentation at the Horological Society of New York

The Development of a Practical Watch Escapement, by Roger W. Smith - December 4, 2017 presentation at the Horological Society of New York

Aug 15, 2018,23:20 PM

Link to the presentation:

By: Watchonthewrists : August 16th, 2018-00:05

By: Passionata_george : August 16th, 2018-00:43

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