Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 353
A marvel of complexmotions. Hooks andeyes, and any specialshapes of wire-workcan be made onthese machines. 1422. Samples ofwire bending. 342 MILL AND FACTORY APPLIANCES. … 1423. SEAMLESS TUBE MAKING.—The Mannesmann*process. A, a, conical corrugated rolls: B, guide tube ; B, hot bar of iron or steel being pushed throughthe rolls; D, mandrill for wideningthe inside of the tube, the hollow be-ing started by the action of the out-side rolls. 1424. HOPPER AND BELL, for a…
Mechanical movements
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