Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 917
886 WATCHES AND CLOCKS. … Fig. 2.—Pivot-turning machine. such as pillars, bridges, etc., are then fitted and the plates put together. After all the fit-ting is done, the parts are dismembered, and gilded, and in some instances nickeled. The wheels are punched out in complicated dies, which act so as to i)erfoini several…
Mechanical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.