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American telephone practice (1905)

Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 87

An illustration from American telephone practice, 1905, leaf 87
ear electrode rigidly with respect to the bridge after it has oncebeen adjusted. A terminal, block, /, of hard rubber, is secured to the rear sideof the bridge upon which is mounted a terminal, i, to which a wireleading from the clip, g, is soldered. The lug, i, therefore formsone terminal of the… … FIG. 49.—THE STROMBERG CARLSON TRANSMITTER. In this transmitter the piston action of the electrodes is obtainedas in other forms, the rear electrode being held rigid while the frontelectrode vibrates with the diaphragm. The flexible mica washerserves to allow a slight relative motion between the…

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