Watches : the Paul M. Chamberlain collection at the Art Institute of Chicago (1921)
Art Institute of Chicago · Chicago : The Institute · leaf 56
wel in the balance cock is held byspring friction a saw cut being madethrough the seat to give spring pres-sure on the friction. No. 28 2—The Trump, Waterbury,U. S. A., Series 1, W. W. Co. TradeMark. An ingeniously designed watchfor cheap manufacture. The duplex es-capement as used in the original… … No. 153—ACTION OF MOZARTSESCAPEMENT Holley Watch Co. About an 8 sizesimilar in general construction to pre-ceeding. No. 284—Waterbury, Trade Mark,U. S. A., Patented, 853467. About 14size three-quarter plate duplex escape-ment like preceeding but with 12 jewelsand more semblance to conventional…
Chamberlain, Paul Mellen, 1865-1940 · Clocks and watches
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