. The Ontario high school physics. *This may be very thin mica or rubber or gold-beaters skin. 202 QUALITY—VIBRATING FLAMES—BEATS given. On singing the vowel e at the pitcli C we obtainimao-es as at F\ and G is obtained on singing o at thesame pitch. From the figures it will be seen that the last three notes arecomplex sounds. These dancing images have been success-fully photographed on a moving film by Nichols and Merritt. A simple form of the above apparatus can be constructed byanyone (Fig. 237). Hollow out a piece ofwood or a cork (2 inches in diameter),A, and across the opening stre
. The Ontario high school physics. *This may be very thin mica or rubber or gold-beaters skin. 202 QUALITY—VIBRATING FLAMES—BEATS given. On singing the vowel e at the pitcli C we obtainimao-es as at F\ and G is obtained on singing o at thesame pitch. From the figures it will be seen that the last three notes arecomplex sounds. These dancing images have been success-fully photographed on a moving film by Nichols and Merritt. A simple form of the above apparatus can be constructed byanyone (Fig. 237). Hollow out a piece ofwood or a cork (2 inches in diameter),A, and across the opening stretch themembrane, M, keeping it in place byscrewing or pinning a ring B against enters by the tube C and leaves bythe tube D. No mouthpiece is necessarybut a funnel, shaped as shown in the Fia. 237.—A simple form of man- •^^ • ,i rr j. t ometricfiame capsule. AA\^ dotted line. Will lucrcase the eiiect. in a cork hollowed out, M is the . • e. thin membrane. placc of the rotating mirror a piece oi mirror 6 by 8 inches square, held in the hand almost verticaland given a gentle oscillatory motion will give good result
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectphysics
