Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 113
alarge and heavy lamp chimne). The lamp chimney needs no other preparation for usethan the insertion of a five-sixteenths inch tube m the 90 EXPERIMENTAL SCIENCE. center of the cork and the thorough sealing of the corkwith its tube in the smaller end of the chimney. A very striking and instructive… … Weight Lifted by Air Pressure. end of the chimney. As the air is exhausted from beneaththe hand, the pressure of the atmosphere exerted on the handdrives the palm down into the chimney, as shown in Fig. 83,and as the exhaustion proceeds, the pressure becomes pain-ful and difficult to endure. It is…
Physics · Lantern projection · Electric apparatus and appliances
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