Lawrence,
I've thought of that. Trouble is, in this neck of the woods, at the time these were popular, just about everyone had a party line and that is the primary reason they were disconnected. That and it's getting hard to find rotary dial phones from the 1967-68 era which didn't get tossed.
It seems Western Electric did a unique wiring block for every single one of the phones sold, from what I can tell in the pictures so far. I'd be happy to join one of the phone clubs, if that would help, but so far all the answers to ringer questions always either go down rabbit holes and never mention wire colour codes to match mine or assume one has the knowledge.