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| TABLE TELEPHONE AUTO
Similar to picture except that there is a key switch below the dial. The instrument has no ringing device.
Introduced around 1931. |
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Last revised: June 22, 2020FM2 |
|
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| TABLE TELEPHONE AUTO
Similar to picture except that there is a key switch below the dial. The instrument has no ringing device.
Introduced around 1931. |
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Last revised: June 22, 2020FM2 |
Used on police exchange systems and also as side stations on
intercommunication systems (with N20088).