Practical lessons on the lever escapement, its tests, errors, their detection and correction (1916)
Wilkinson, T. J. (Thomas Jessop), b. 1864 · Philadelphia, Penna., Technical publishing company · leaf 1
0 017 107 448 4 ib … Class. ^.5-^ Bode I i\0 CoppgkW ,10 COPYRIGHT DEPOSm Digitized by the Internet Archivein 2011 with funding fromThe Library of Congress http://www.archive.org/details/practicallessonsOOwilk Practical Lessons ON The Lever Escapement Its Tests, Errors Their Detection and Correction By T. J. WILKINSON…
Clocks and watches
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