Posted by Ronnie Budd on June 05, 2020 at 09:11:19 from (184.53.32.30):
In Reply to: What is this posted by John in La on June 02, 2020 at 20:08:23:
Quoting Removed, click Modern View to see
If you are replying to me, I am 69, nearly 70. I was working on these things in 1970, in the Army Signal Corp. The military always had the latest innovations in communications, and had made the conversion to DTMF phones by the second half of the 1970s.
The Stowger stepping switches were still being used in a lot of smaller civilian DCOs in the 1980s. The exchange in my small hometown were still using them. We still had a party line at home well into the 90s.
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