HOWTO build a home phone-exchange

I am proud to record that I just made my first BoingBoing entry.

HOWTO build a home phone-exchange

Cory Doctorow: Phil sez, “I sent my Dad your HOWTO on building an intercom with an old telephone because it reminded me of something he built when I was a kid. He said: ‘Mine was much posher! I made a miniature telephone exchange so that you could dial a specific extension which would then “ring”, just like a “real” phone. To cap it all I had antique phones which looked good. The design was from February 1972 Practical Wireless.’” Link (Thanks, Phil!)

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