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Books by Publisher: Keystone Publishing Co.

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2 books found
The escapement and train of American watches : a practical and encyclopedic treatise and text book,
The escapement and train of American watches : a practical …
By: Thomas Jessop Wilkinson
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The Escapement and Train of American Watches: a Practical and Encyclopedic Treatise and Text Book
The Escapement and Train of American Watches: a Practical a…
By: T. J. Wilkinson
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