Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 337
1337. ROLLER TUBEEXPANDER.—The rollersare loosely fitted in a caseto hold them in position.The slightly tapered mandril is pushed or driven within and bearing onthe rollers and revolved by a bar in the mandril head, which revolvesthe rollers, rolling them over the interior surface of the boiler… … 1338. REVOLVING TOOL HEAD,for a Monitor lathe.
Mechanical movements
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