SIEMENS BROTHERS No. PTD 702


AMPLIPHONE TELEPHONES

P.T.D. 702

These telephones are specially designed to give receiver amplification for use in noisy Situations and are particularly suitable as a “Deaf-Aid’. The amplifier is an integral port of the telephone.


Table telephone of the latest pattern, as No. 356A/A, but fitted with an Amplifier incorporating a “Transistor” operated by small dry cells and a potentiometer to control the volume.

Height: 5.75 in
Width: 9 in
Depth: 7.75 in
Weight: 5.75 lbs

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

 

 
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Last revised: June 20, 2011

FM2