Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 337
1338. REVOLVING TOOL HEAD. for a Monitor lathe. … 1339. COLLAPSING TAP.—The ^ hook cutters C, C, slide in the taper PIP I shank B, and are drawn up to their full JO diameter for cutting by turning the shank handle in the inclined slot in the shell. and the reverse motion of the handle for collapsing the tap. 1340. Longitudinal section. F c / V 1…
Mechanical movements
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