Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 438
eard ; this was also the case when the rays fell on a rock-saltcell filled with the liquid. The pitch of the note depended on the velocityof rotation. Dry air gave no sound, but air containing moisture did so ; and themore moisture was present the louder was the sound. Other gases gavesounds in the… … Y\% ^96 and Mercadier, were chiefly directed to the eftects produced when theintermittent beam is allowed to fall on solid bodies. A sort of an acoustic -446a] Relation of Radiant Heat to Sonnd. 421 trumpet (fig. 397) was used by Mercadier, consisting of a movable piece abfitting over c d ?,o that…
Physics
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