Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 117
ly supported by aspring S, responds to the pressure of the atmosphere, beingforced in when the pressure is increased, and springing outwhen it is decreased. Themovement of the cover ismultiplied and transmit-ted to an index hand B bya system of delicate leversand a chain or by gears.Tlie circular… … FiQ. 134.—Aneroid barometer. PRACTICAL VALUE OF THE BAROMETER 107 joining into very connnon use. It is specially serviceable fordetermining readings to be used in computing elevations. 122. Practical Value of the Barometer; AtmosphericPressure. By the barometer we can determine the pressureof the…
Physics
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