Author Topic: First year for the D series payphone.  (Read 596 times)

Offline trainman

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First year for the D series payphone.
« on: December 10, 2014, 03:37:24 PM »
What year did the D series payphone appear? Was is a replacement for the A series?

Offline ESalter

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Re: First year for the D series payphone.
« Reply #1 on: December 10, 2014, 07:03:13 PM »
I don't know officially, but the earliest D type parts I have seen are from the mid 70s.  As(coin first) were made first, then Cs(convertible), then finally Ds(dial tone first).

---Eric