Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 150
his kindwould certainly show in a striking manner the effects ofvery slight rhj^thmic impulses. As it is manifestly imprac-ticable to perform such an experiment, an easier method ofillustrating harmonic vibrations must be sought. In the accompanying engravings, Fig. 132 shows how abar of steel may… … Harmonic Vibration. of wood. Above the center of the bar is arranged a faucet,which communicates with the water supply. The bar isfirst vibrated by hand, and the faucet is adjusted so that thewater drops in unison with the vibrations of the bar. Themotion of the bar is then stopped, and the water…
Physics · Lantern projection · Electric apparatus and appliances
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