An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 586
eiver. Itstill survives as a receiver in verymuch its original form, but as a transmitter it has been sup-planted by more poAverful devices. The bipolar receiver shown in figure 371 is the standardform at present. The principle of the bipolar receiver is shownin figure 372, where M is a U-shaped… … Fig. 371. — Parts of bipolarreceiver. * 1 \pA ^~ 5) H. Fig. 372. Principle of bipolarreceiver. 522 ELECTRICITY AND MAGNETISM in a case of hard rubber or an imitation thereof, which has oneend adapted to fit the ear and the other end to hang on a switchhook. In modern receivers the whole mechanical…
Electricity · Magnetism
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