Automatic telephony; a comprehensive treatise on automatic and semi-automatic systems (1921)
Smith, Arthur Bessey, b. 1875, Campbell, Wilson Lee · New York : McGraw-Hill · leaf 133
lownumbered end of all strips, while the other is near the high numberedends. It is now customary to number all the bays or frames in a straightrow regardless of boards, and to identify them by those numbers. A development of the selector board (Fig. 101) shows how the selectorbanks are wired to… … 116 AUTOMATIC TELEPHONY Terminal Assembly for Selectors.—The banks of the ten selectors of a section are multipled together andcabled to sets of terminal strips(Fig. 102.) The 100 wires from theprivate banks are fanned out as shownabove in the illustration. One stripholds all of them. The 100 pairs…
Telephone
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