Does anyone have technical info (the appropriate BSP) for a 43A dialer? (it's dated "2-77")
This gizmo is mounted in a 7" apparatus case, has 14 slide switches (for setting the telephone number to be dialed) and a motor driven gear that rotates switch contacts across a circuit board wired to the slide switches. On another circuit board there are two 6 position terminal boards and some relays along with resistors, capacitors, diodes and those sorts of things. This circuit board is stenciled "90D217, Series 4".
I can e-mail you a photo if that would help identify it.
Inquiring minds want to know!!!