TELEPHONE No. 90

Wooden cased, local battery set similar to Telephone No. 88 but without the hand generator.  The case houses a magneto bell.

The telephone was originally an Instrument, Subscriber, N.T. No. 1 and 13 modified to Diagram CBS 232.

Used on C.B.S. circuits.

Known as a 'Corporation Set' as it is shaped like many similar phones supplied to the large municipalities of the day.

Fitted with Telephone No. 28 as the handset.

Early table telephones were connected to the internal wiring with a Strip, Flexible Cord Connection.  Click here for more information.

Mentioned in Diagram N188 (dated 1917).

Circuit diagram - N190.

Circuit Diagram - C.B.S. 232.

Includes as replacement parts:-
1 x Cord, Instrument, No. 604 or 606.
1 x Cord, Instrument, N.T., No. 56.
1 x Strip, Flexible cord connection, 7-terminal.
1 x Telephone No. 28.
 

Last revised: October 11, 2023