Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 97
Equilibrium in Communicating Vessels. tical position, and a board is laid over the flexible cover andpressed to expel all of the water above the rim of the cup. Now, by placing a twenty-five pound weight upon theboard and pouring water into the tube, the weight will belifted and sustained. This…
Physics · Lantern projection · Electric apparatus and appliances
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-411-238.webp)
