SIEMENS BROTHERS No. 318
BATTERY CALL TELEPHONE
Electrically similar to the wall equivalent the No. 319.
These telephones can be connected together to form a two-way intercom telephone system.
Four primary cells are required at each telephone and these would be located external to the telephones.
These telephones cannot be connected to an exchange line.
Height: 8" (203mm)
From the SIEMENS BROTHERS & CO. LIMITED catalogue No.500/54
The Telephone No. 318 was fitted with a press button in the middle of the dial blank plate and a DC buzzer in the base. No ringer mechanism or bells were provided with this set.
Last revised: February 07, 2023