Watches : the Paul M. Chamberlain collection at the Art Institute of Chicago (1921)
Art Institute of Chicago · Chicago : The Institute · leaf 45
No. 127—ARNOLDS CHRONOMETER … 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
Chamberlain, Paul Mellen, 1865-1940 · Clocks and watches
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