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Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1910)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The N. W. Henley publishing company · leaf 132

An illustration from Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries, 1910, leaf 132
,f==^=^. J^n 313. VENTURI TUBE AND MEASURINGMETER. The differential velocity of the water in themain pipe and in the throat of the double conical tubeproduces a differential pressure in the small tubes withtheir mouths turned in opposite directions, which is usedfor registering the amount of water… … 314. HYDRAULIC LIFTINGJACK. The shell of the jack extendsover and nearly to the foot of the ram toenable a Hft at both head and foot of thejack. The small plunger and valves areoperated by the lever and arm D, forhfting, and the by-pass valve serves forlowering a load or closing the jack by itsown…

Mechanical movements

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