SIEMENS BROTHERS No. 319

BATTERY CALL TELEPHONE

No. 319
Wall telephone in, black moulded Bakelite case, electrically similar to No. 318, but without instrument cord and terminal block.

These telephones can be connected together for form a two-way telephone system.  Four primary cells are required.
 

From the SIEMENS BROTHERS & CO. LIMITED catalogue No.500/54

Last revised: February 27, 2022

FM2