SIEMENS BROTHERS No. F1157

CENTRAL BATTERY TELEPHONE

(Table Pattern)

F1157
C. B. Table Telephone, in metal case as described below; comprising Hand-Microtelephone with inter-changeable granular carbon transmitter, induction coil, automatic switch hook, 2 M.F. condenser, double gong polarised bell wound to 800ohms resistance, flexible cold, terminals, etc.

The whole of the parts of these instruments are mounted on a pressed steel base, and are enclosed in a solid drawn stove enameled metal cover, rendering them suitable for rough usage in all climates, and ensuring lasting and efficient service.

Taken from the Siemens Brothers Catalogue "Telephones and Telephone Switchboards for private installation" 1913

Last revised: October 19, 2025

FM2