Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 350
1407. TRAVELLING CRANEfor shop and foundry-work. May be oper-ated by rope transmis-sion, a long shaft, orelectric motor. 1408. I-BAR TRAVELLING TRAMWAY, aneasily made shop device. The I bar lies sidewise, boltedto brackets from the ceiling. The double trolley can-not run off. 1409. SWING BRACKET… … 1410. ADJUSTABLE UNIVERSAL SHEAVE. It can be set in any desired direction and cantedby the double-swivel foot.
Mechanical movements
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