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The watchmakers' lathe, its use and abuse; a story of the lathe in its various forms, past and present, its construction and proper uses (1903)

Goodrich, Ward L. [from old catalog] · Chicago, Hazlitt & Walker · leaf 250

An illustration from The watchmakers' lathe, its use and abuse; a story of the lathe in its various forms, past and present, its construction and proper uses, 1903, leaf 250 — r and weight of thewheel were soon increased, to slow the foot motion andsteady the power when using lathe attachments, but therewas little further development until 1877 or 1878. Fig.220 shows one of these later wheels with a rockshaftthrough the base so as to get the connecting rod on theopposite… … Fig. 220. discovered that the motion of the treadle was much fasterwhen the crank was in the upper half of its revolution thanin the lower. This wheel was sold to a Air. Johnson ofEau Claire, Wis., and is the original of the common swingtreadle foot wheel of to-day. The next attempt was by C.…

Clocks and watches · Lathes

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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