Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 691
D OF INTERMEDIATE DISTRIBUTING FRAME-CORTLANDT STREET OFFICE. of jacks will always lie on the same level as that strip of jacks. Itis evident that if the cables are thicker than the jacks so that theywill build up more rapidly, the available space for the cables wiil CENTRAL OFFICE EQUIPMENTS. 669… … FIG. 4S3.—TURNING SECTION—CuRTLANDT STREET OFFICE. are called, would have to be longer than would be necessary wherethe cables build up at the same rate as the jacks. A rear view of a portion of the large multfple board of the Cort-landt Street exchange of the New York Telephone Company is 670…
Telephone
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