The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose; (1902)
Barber, Thomas Walter. [from old catalog] · New York, Spon & Chamberlain · leaf 19
t by tightening pulleys, see No. 1207. For round belts, see HopeGearing, Section 66. V-helts are occasionally used, formed of thicknessesof leather riveted together, cut to a V-section, and worked over V-gioovedpulleys. Section 4.—BALL-AND-SOCKET JOINTS. 30. Universal hinge. The arm can be fixed in… … •B i—^j ^L.:tL zrM.._ 1 tl& -fe^Jzi-i-
Mechanical movements
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