pdf ATT 5XB vI Mar55 Wire Spring Sec3 - Dialing the Called Number Popular

Published on 05 October 2020 Modified on 05 October 2020 By Paul F 359 downloads

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ATT 5XB vI Mar55 Wire Spring Sec3 - Dialing the Called Number

From: No. 5 Crossbar Switching System - Wire Spring Relay Circuit
Volume 1 - Wire Spring No. 5 Crossbar System
Section 3 - Dialing the Called Number

Scanned and Contributed by Steve Cichorsky

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