Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 152
one extrem-ity of Avhich is suspendeda hollow sphere of copper,and from the other ex-tremity a solid sphere oflead. These are made tobalance each other in theatmosphere. If the instrument beplaced under the receiverof an air-pump and theair exhausted, the coppersphere will descend. Thisshows that… … ( 140 ) What instrument is used to show the buoyant effort of the air? Describethe Baroscope. Explain its use. 150 POPULAR FHJTSICS. sphere diminished by that of the leaden sphere, it will befound, after the air is exhausted, that the balance is inequilibrium. This shows that the buoyant effort is…
Physics
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