Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 169
f the box; h is a tightening screw to steady the bars c e. The mode of operating with this instrument is merely to place the edge of the knife upon the bars,-o as to bisect the angle formed by them, and then draw the knife backward and forward. As thesurfaces of the bars wear away, different sides… … LAC. 163 surfaces together, and with several rectangular projections in the one, fitting into similar cavities in thaother. The conical surfaces of both pieces are serrated with a series of very fine teeth extending an-gularly towards their centres; these are placed upon the shank of the fork,…
Mechanical engineering
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