AT&T Specifications (pre-BSP) (by Doc #)
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4-digit all numeric codes, used before about 1930.
[Rescanned and bookmarked]
A. T. & T. Co.'s
Specifications No. 4465
NO. 7-J AND NO. 7-K COIN COLLECTOR
DESCRIPTION OF COIN COLLECTOR
The #7 type coin collector is a prepayment collector for nickels only
and the illustration shown below is of the #7-J Coin Collector. The #7-K
Collector is the same as the #7-J except that it has a larger cash
(Copyright, 1926, American Telephone and Telegraph Company)
Printed in U. S. A.
A.T.&T. Specifications 4810, December 1927, Replacing Spec 4732 and Supplement A, 36 pages.
Includes Cording, Connections and Tests for E1A and E1B handserts used on A, B and C handset mountings, including A1-type, A2-type, A3-type, B1-type, B2-type, B3-type and C1-type mountings.
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