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 664
to remove any little exter-nal errors with the file, and to clear the angles with a small chipping chisel; the faces of the knucklesare then smoothed and inserted within one another very tightly. The joint-hole is afterwards drilledthroughout all the knuckles, and which are filed up externally,… … But if such joints are required to be made more accurately, the holes are first drilled in each pieceseparately, and rather too close in the corners; the holes are broached with a parallel broach, so as ex-actly to admit a steel cylinder, Fig. 1696, which has a square end for the brace; this rod is…
Mechanical engineering
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