Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 626
ny, is shownin Fio-. 438. The method of associating this with the line circuitand with the circuit of the instruments which terminates in the 604 AMERICAN TELEPHONE PRACTICE. line binding posts is clearly shown in Fig. 439. This arrester con-sists merely of two brass discs of approximately… … FIG. 435.-BANK OF TUBULAR FUSES. disposed screw set, a carbon plate, covering both the semi-circularbrass plates. The screw holding this carbon in place is permanentlyconnected to the ground binding post, these connections being shownin Fig. 439. The lightning arrester usually furnished by the…
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