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Telephone Type 710 | by russell_w_b
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Telephone Type 710

One-time living-room telephone at Chez Barnes. BPO (GPO) type 710, essentially a 'business' version of the type 706, with provision for lamps and key-switches.

 

I have wired this one so that the two protruding key switches turn the bell off and mute the microphone (secrecy).

  

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Uploaded on May 9, 2009