pdf AT&T Spec 4621 - No. 530A Subscriber Set for Outdoor Use - June 1926 Popular

Published on 18 December 2011 By Anonymous 2256 downloads

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AT&T Spec 4621 - No. 530A Subscriber Set for Outdoor Use - June 1926

Rescanned for clarity. Includes wiring diagram. Contributed by Steve Cichorsky.

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pdf AT&T Spec 4621 - No. 530A Subscriber Set for Outdoor Use - June 1926 Popular

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