SIEMENS BROTHERS No. 318


BATTERY CALL TELEPHONE

No. 318 (Neophone)
Table telephone in black moulded Bakelite case. Comprising anti-sidetone induction coil (ASTIC); high efficiency "Neophone" hand micro-telephone with patented immersed electrode inset transmitter, calling button, buzzer and 4'  6" (1371mm) flexible cord, with four-way terminal block or four-way plug.

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

Height: 8" (203mm)
Depth: 6" (152mm)
Width: 9" (229mm)
Weight: 4.5 lbs (2.04kg)

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


Additional Information

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.

The telephone would have been used as an intercom and local batteries would have been provided.

 
Note dummy dial with a central press button  
   
 
Close up of the phone body  
   
 
   

  Wiring Diagram

 

 
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Last revised: August 12, 2022

FM2