NATIONAL TELEPHONE COMPANY
B690

Telephones for existing Electric Bell Wires

KITCHEN SET

Pattern No. B690

The following are yet other alternative types of this same class of instrument, but these again, unless specially stated to the contrary, are not intended for use with the sets already illustrated.

For use in conjunction with existing Bell.

Suitable for use with Patterns Nos. B695, B705, B715, and B720.

For ringing both ways.

This was model B106 in the 1903 Catalogue.
 

Last revised: November 17, 2025