Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 144
sthe note due to its position in the comb. The tongues are tuned by filing or scraping them at theirfree or fixed ends, or by loading them at their free ends. Inthis instrument the sonorous vibrations are produced by thetongue, which itself has the desired pitch. SOUND. 121 REEDS. In reed… … The Bugle. When reeds are employed in connection with resonatingpipes, as in the case of the reed pipes of an organ, the pipesynchronizes with the reed, and re-enforces the sound.When the reed is very stiff, it commands the vibrations ofthe air column, and when it is very ifexi- fic 125. ble, it is…
Physics · Lantern projection · Electric apparatus and appliances
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