Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 135
ninbals ■ o e transported, the screw S ise T are entirelv full of mer- 124 MECHANICS OF FLUIDS. cury. Entrance of air into the tube and breaking of theglass by bumping of the mercury against the end are thusprevented. To obtain the true hight of the barometer the observedreading must be corrected… … Fig. 81. an aneroid barometer. In the usual type (Fig. 81) it consistsof a metal box, B, exhausted of air, with a top corrugatedin circular ridges to give it greater flexibility, but preventedfrom collapsing by a stiff spring, R, attached at M. Themotion of the cover as it rises and falls, with…
Physics
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