Machinery and processes of the industrial arts, and apparatus of the exact sciences (1869)
Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Washington, Govt. print. off. · leaf 257
act, to be placedlike a belt or hoop on the circumference of the plane circular sawplate which forms the direct cut, and to widen gradually out to thebreadth required for the cut. This hoop saw is not set at right anglesto the plane saw, but at the bevel which corresponds to the angle of thejoint.… … DOVETAILING MACHINE. 241 the segments and replace tliem by others having a liner or coarserpitch of teeth if desired. To prevent the saws from splintering the woodon its under side, a longitudinal shallow cut is made by a knife-edge atthe bottom of the dovetail before the helical saws operate on…
Machinery · Scientific apparatus and instruments
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