A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 265
ole it is closed by a drop of meltedsolder. From the foregoing experiments and considerations,it is demonstrated that the prime fact in pneumatics is,that air has weight; from this arise its pressure andvarying density at different altitudes. Its elastic forcemust also be equal to the pressure upon… … THE BAROMETER. 253 LECTURE XLV. Atmospheric Air.— Construction of the Barometer.—Cause of its Phenomena.—History of its Inventionby Torricelli. — JPascaVs Experiment. — Illustrationsof the Nature of Pressure.—Variability of Pressure.—Disturbances in the Composition of the Air.—Arecorrected by the…
Chemistry · Physics
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