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 588
electrode. Increaseof pressure on the granular carbonmeans increase of current through thetransmitter. Figure 375 shows a cross section ofthe solid-back transmitter, which wasinvented by A. C. White of the American Bell TelephoneCompany and which is in almost universal use in this countryto-day. In… … Fig. 375. — Cross sectionof solid-back transmitter. 524 ELECTRICITY AND MAGNETISM 356. Induction coil. The current taken by the ordinarycarbon transmitter averages from 0.14 to 0.32 amperes. There-fore for all long-distance work the transmitter is included in asmall local circuit with a battery of…
Electricity · Magnetism
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
