. Electrical world. FIG. 36.—ERICSSON INSTRUMENT DISSECTED. place of a pressed brass cup, as shown in Fig. 38. This is linedwith a celluloid washer, upon which a spider-shaped copper springis placed. On top of the copper spring a carbon electrode is secured. FIG. 35.—ERICSSON COMBINED TRANSMITTER AND RECEIVER. diameter and .012 in. thick. The front electrode consists of a pieceof brass in which a number of corrugations are punched, as is shownin Figs. 37 and 38. This front electrode may or may not be gold-plated, and is secured to the front of the diaphragm by means of a FIG. 37.—ERICSSON TRAN
. Electrical world. FIG. 36.—ERICSSON INSTRUMENT DISSECTED. place of a pressed brass cup, as shown in Fig. 38. This is linedwith a celluloid washer, upon which a spider-shaped copper springis placed. On top of the copper spring a carbon electrode is secured. FIG. 35.—ERICSSON COMBINED TRANSMITTER AND RECEIVER. diameter and .012 in. thick. The front electrode consists of a pieceof brass in which a number of corrugations are punched, as is shownin Figs. 37 and 38. This front electrode may or may not be gold-plated, and is secured to the front of the diaphragm by means of a FIG. 37.—ERICSSON P.\RTS. and then around this electrode a felt ring 5/16 in. thick and zA diameter is placed. In the center of the electrode a little bit offelt is placed, as shown in Fig. 36. The interior of the felt ringis filled with 12 grains of coarse granular carbon. The carbon ELECTRICAL WORLD and ENGINEER. Vol. XLIII, No. 3- e, is ./.6 in. ... and contains circular g^ve. ^^l^^^^^ -;^^^^t:^J^ ^::r^r!i::^ diaphragm is protected by means of two heavy layers of oil silk carbon block /s m. muand is cushioned by two rings of blotting paper.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
