. The Ontario high school physics. Flo. 211a.—Apparatus forproducing the sound, inLake Geneva. Fig. 2116.—Listeningto the sound fromthe other side ofthe Lake. CHAPTER XX Pitch, Musical Scales 202. Musical Sounds and Noises. The slam of a door, thefall of a luiuimer, the crack of a rifle, the rattling of acarriage over a rough pavement,—all 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 irre
. The Ontario high school physics. Flo. 211a.—Apparatus forproducing the sound, inLake Geneva. Fig. 2116.—Listeningto the sound fromthe other side ofthe Lake. CHAPTER XX Pitch, Musical Scales 202. Musical Sounds and Noises. The slam of a door, thefall of a luiuimer, the crack of a rifle, the rattling of acarriage over a rough pavement,—all 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 bythe ear. Against the teeth on a rotating disc () hold a card. When the speed is slow wehear each separate tap as a noise, but as it isincreased these taps at last blend into a clearmusical Fig. 212. — Toothedwheels on a rotatingniaohine. On hold-ingf a card againstthe teeth a musicalsound is heard.
Size: 1165px × 2146px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectphysics
