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 726
as the cross-cut saw, or of considerable pitch, are treated much in the same manner. The teethhaving been topped, the faces 5, 9 are first filed back, until they respectively agree with a dotted line«, supposed to be drawn through the centre of each little facet produced in the topping; the file… … only of each alternate tooth ; the second course the back of the former and face of the next tooth atone process; and the third course takes the top only of the second series, and completes the work.This order of proceeding is employed, that the faces of the teeth may be in each case completed…
Mechanical engineering -- Dictionaries
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