Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 388
d andlight, is called Interference, SILENCE PRODUCED BY TWO SOUNDS. 365 § 3. Experimental Ulitstrations. Sir John Herschel was the first to propose to divide astream of sound into two branches, of different lengths,causing the branches afterwards to reunite, and interferewith each other. This idea… … JllBSiSfi^^ iiiil^^ tube of divides into two branches at /, the one branchbeing can-ied round n, and the other round m. The twobranches are caused to reunite at g, and to end in a com-mon canal, g p. The portion h n of the tube sKdes overa b, and can be drawn out as shown in the figure; thusthe…
Sound
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