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| WALL TELEPHONE CBS
1000ohm bell ringer. Introduced around 1938. |
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Last revised: July 23, 2025FM2 |
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| WALL TELEPHONE CBS
1000ohm bell ringer. Introduced around 1938. |
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Last revised: July 23, 2025FM2 |
ERICSSON
Wooden CBS wall telephone fitted with ASTIC induction coil.