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

 

 
BACK Home page BT/GPO
Telephones 		Search the Site Siemens
Home 		Quick Find All Telephone
Systems

Last revised: February 27, 2022

FM2