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The Ontario high school physics (1917)

Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 190

An illustration from The Ontario high school physics, 1917, leaf 190
l such disconnected,disagreeable sounds we call noiftes; while anote, such as tliat yielded by a plucked guitarstring or by a flute, we at once recognize asmusical. A musical note is a continuous, uniform andpleasing sound ; while a noise is a shock, oran irregulai succession of shocks, received… … Fig. 212. — Toothedwheels on a rotatingniaohine. On hold-ingf a card againstthe teeth a musicalsound is heard.

Physics

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