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 254
rest andshears) of a Whitworth duplex lathe with compound slide-rest. There are two slide-rests operatingupon the same carriage and moved by the same cross-feed screw, one being operated by a right-handed and the other by a left-handed screw, so that the two simultaneously approach or recedefrom… … the two tools, operating simultaneously, thus performing twice the quantity of work. A more im-portant advantage is, however, that the strain due to the depth of cut is taken off at one traverseof the slide-rest, and, being thus divided, may be made equal on the two sides; and therefore thework is…
Mechanical engineering -- Dictionaries
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
