TELEPHONE No. 142
|C.B.S 1, Candlestick, table, telephone used on the Bartholomew House System.
This telephone differs from other Candlesticks as the switch hook consists of two spring sets of which one set breaks two springs when off hook and the other, which consists of threes springs, all make contact when off hook.
Used with Bellset No. 17.
Telephone Includes (1928):-
Circuit diagram - N242 (Dated 1924).
Circuit diagram - CB 1257.
Last revised: November 20, 2021