Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 401
m. A fine wire or string leads from the centerof the diaphragm of one instrument to the center of thediaphragm of the other. The wire or string must passfreely from one instrument to the other, and must be mod-erately taut. When you speak into one cylinder, the trans-mitter, the diaphragm is set… … Fig. 259.—Telephone receiver. the air similar to the original sound waves. If the receiverbe held to the ear, the message is distinctly heard over adistance of several hundred feet. The magneto-telephone depends upon both acousticaland electrical principles, but with a little care may be read-ily…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
