Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 299
mental note, the image of the flame takes the formrepresented in fig. 287, and that of fig, 288 if the sound yields the octave.If the two sounds reach the capsule simultaneously, the flame has the appear-ance of fig. 289 ; in that case, however, the tube leading to the capsule mustbe connected by a… … If the vowel E is sung in front of the mouthpiece first upon c\ and theiupon c\ the mirror gives the flames represented in figs. 291 and 292. 291. Determination of the intensity of sounds.—Meyer has devised aplan by which the intensities of two sounds of the same pitch may be directlycompared. The…
Physics
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