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USMC Soldier Wiring Network Bell Systems training U.S. Soldiers on Telephone Pole Climbing

Stromberg-Carlson Advertisement
Soldiers recovering a SB-22/PT Switchboard floating in a river.
Stromberg-Carlson Corporation build the first switchboards for the Military (Circa: Vietnam Conflict Era)

SB-22/PT Switchboard


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USMC Soldier Wiring Network Bell Systems training U.S. Soldiers on Telephone Pole Climbing