Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 640
s, are attached to the inner ends of the terminalson the line side of the distributing board and led through a hole inthe strip and through the proper channels in the framework to the 618 AMERICAN TELEPHONE PRACTICE. desired terminals on the switch-board side, where they are securedin the same… … FIG. 454.-DETAILS OF FORD & LENFEST DISTRIBUTING FRAME, tirely superseded in the practice of the Bell companies by a framedesigned by Messrs. Ford & Lendfest, some of the details of whichare shown in Figs. 453 and 454. This, like the Hibbard frame,is in the form of an open framework built…
Telephone
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