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Scientific American, Vol. 64, No. 12 (1891) (1891)
leaf 4
forward by the cable, the side hooks being wheel being connected by a pinion and sleeve with then held up as shown in the illustration. A stop on spindles, carrying each an inside and outside knob, iN uf while on the shaft is another gear wheel operating the pointer, L?, on the dial. On the shaft,… … © 1891 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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