TELEPHONE No. 90
Wooden cased, local battery set similar to Telephone No. 88 but without hand generator.
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 - C.B.S. 232.
Last revised: November 17, 2021