Includes additional BSP document numbers to search for in the TCI Library.
Models Prior to the 500 Series Page:
https://beatriceco.com/bti/porticus/bell/telephones-olderthan500.html
The project / repair links on this website can be found here (in order of repair):
To start from the beginning, click here:
Wiring (Current) Replaced handset, subset, and line cords