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 251
Claire, Wis., and is the original of the common swingtreadle foot wheel of to-day. The next attempt was by C. Hopkins, of the WalthamWatch Tool Company, who made a swing treadle with anarm at right angles to the top of the treadle and the con-necting rod attached to the crank and the outer end of… … Fig. 221. Hopkins Foot Wheel. stirrup on the treadle, which prevented the foot from slip-ping off and gave better control when stopping or startingthe wheel. It was also supported by a bracket bolted to the
Clocks and watches · Lathes
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