Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley Publishing · leaf 293
290 MILL AND FACTORV APPLLVNCES AND TOOLS, ETC. … 753. EXPANDING DRILL. For en-larging the bottom of drill holes for flushtapping or for Lewis jaws or anchors. Thepivoted cutter allows of the cutting of a largercavity than with the eccentric pointed plaindrill. 754. Position of tool when under-cutting. 755. Front view of cutter. 756. TAPER…
Mechanical movements
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