Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 650
to slender rods or wires, serving as the handles, and extending beyond the ends of the slides: orthe handle is at right angles to the file, and formed «J the end, as a staple, to clip the ends of the shortfile, as in reaching the bottom of a cavity. Files intended to reach to the bottom of shallow… … To stiffen slender files, they are occasionally made with tin or brass backs, as in Figs. 1640 and1641; such are called dovetail files; and thin equalling files are sometimes grasped in a brass frame,Fig. 1642, exactly like that used for a metal frame-saw. Notwithstanding the great diversity in the…
Mechanical engineering
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