Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 101
ut two inches in diameter with a handleon it (Tig. 111). To two points on the ring tiea fine thread with a loop in it. Dip the ring ina soap solution and obtain a film across it withthe loop resting on the film. ^Now, with the endof a wire or with the point of a pencil, puncturethe film within the… … Yi<i. 110.—Soap bubble blow-ing out a candle.
Physics
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