Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 684
en … 662 CENTRAL OFFICE EQUIPMENTS. 663 By this construction protection is afforded to the whole of themain distributing frame and the cables leading to it, as in the casewhere the arresters are mounted on iron terminal heads. Also theadvantages concerning the use of solder are secured. The runningof…
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