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Aneroid Barometer
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Description: "The principal part of the aneroid barometer is a cylindrical air-tight box of metal closed by a corrugated top of thin elastic metal. The air is exhausted from the box, which is then sealed. Evidently, the pressure of the air on the outside of the cover will cause the cover to curve inwards, as the space inside of the cover is void of pressure, until the resistance due to the elasticity of the cover, aided by the resistance of a spring beneath it, is equal to the force exerted by the air." — Hallock, 1905
Source: V. I. Hallock I.C.S. Refrence Library (Scranton: International Textbook Company, 1905)
Keywords: Barometer, Pressure, Gauge, Instrument, Aneroid,
Copyright: 2009, Florida Center for Instructional Technology. See license.
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