Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 419
*7^r-» »■- fastened a bevel-pinion engaging with the crown-gear D, which is fast on the feed-screw s . Ifthe bed (of which s is the feed-screw) requires to be operated by hand, c and / are disengaged(as shown in the drawing), and the handle at the other end of the feed-screw is employed. The…
Mechanical engineering -- Dictionaries
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