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Joined: Dec 2001
Posts: 232
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OP
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Joined: Dec 2001
Posts: 232 |
I have a couple wood cabinet intercom boxes. The ones with Tubes inside for amplifiers and a little lever you push to talk. Remember the old movies where the executive would push and talk to his secretary in the outer office? Looks like real simple 3 wire hook up. Does anybody have any notes or documents on these.
Thanks in advance
Jeff
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