Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 139
nct from musical sounds.A succession of such sounds,although occurring with considerable frequency and perfectregularity, will not become musical until made with suffi-cient rapidity to bring them within the perception of theear as a practically continuous sound. The rattle, or cricket,produces a… … Clappers. SOUND. 117 Fig. II
Physics · Lantern projection · Electric apparatus and appliances
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