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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 125

An illustration from 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, leaf 125
416. FLANGED EXPANSION JOINT.— Used in pipe lines to take up the change ialen^h due to difference in temperature- 114 STEAM APPLIANCES. … 417. AUTOMATIC RELIEF VALVE.—Thevalve is kept closed by a crank attachment to thespindle and weighted lever outside. Excess of press-ure raises the stem and discs, throttling the passageof steam and relieving the back pressure.

Mechanical movements

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