Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 302
digs into the wax cylinder. The cylinder is kept revolving at a certain rate, and the diskand stylus move sidewise slowly; thus the stylus traces aspiral groove on the cylinder. Each wave of sound producesone vibration of the disk and stylus, and for each vibration thestylus makes a small hollow… … 288 PHYSICS OF THE HOUSEHOLD point and the cylinder is revolved at the same rate as when therecord was being made. The stylus traveling along the groovemoves down into the hollows and up over the hills, and givesthe disk this up and down motion, with the result that the diskmakes the same…
Physics · Home Economics
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