Watches : the Paul M. Chamberlain collection at the Art Institute of Chicago (1921)
Art Institute of Chicago · Chicago : The Institute · leaf 45
No. 127—COCK REMOVED TO SHOWDETENT AND BALANCE pallet stones are set vertical from thepallet fork which swings in a plane be-low the escape wheel. The main springis chambered in the pillar plate and theouter end attached to it. The spring … No. 12 7—ARNOLDS BALANCE drives from the inner end on a colletacting through a maintaining device inthe main wheel to deliver power to thetrain while the watch is being wound.This was the patent of George P. Reed,17055 granted April 14, 1857, thoughthe engraving on the watch gives it asNovember 2…
Chamberlain, Paul Mellen, 1865-1940 · Clocks and watches
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