Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 68
172. STEVENS BOILER.— An early type of tubular boilers(1806). The principle is still in use- ?^ H H … h: 173. PLAIN CYLIN-J 1 DRICAL BOILERS, s h o w i n ga. suspension and setting. One-half the surface of the shells, divided by 10,equals boiler horse-power. g II H H H-izd 174. HANG-ING WATERDRUM CY-LINDRIC.\LBOILER.— The drum, hanging from the main boiler by necks, gives a large in-crease of…
Mechanical movements
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