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American telephone practice (1905)

Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 723

An illustration from American telephone practice, 1905, leaf 723
1-J.G. 506.—BANK CONTACTS. sand. The rows in the second section form the levels of the second,fourth, sixth, eighth and naught thousand. So far, no mention has been made of the upper section of bankcontacts, and this, it may be stated, is called the private or busybank. It consists of ten rows of…

Telephone

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