Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 382
J—WVv—CCD—(E3J^5 S/wvn^^^Unn^nJ vww^|i|i|i|ili[^y<wv| o z … FIG. 2S7.-CONNECTION BETWEEN TWO SUBSCRIBERS THROUGH TWO OFFICES-WESTERN ELECTRIC SYSTEHI. 360 TRUNKING SYSTEM BETWEEN COMMON BATTERY OFFICES. 361 lay, C, to the third contact on the plug to the test ring of the multiplejack of the subscribers line, thence through the cut-olif relay of…
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