For Sale Original French TF-PP-1A Sound Powered Telephone
Sound powered telephone equipment provide facilities for talking and signalling with-out the use of any batteries or a power source. The telephone handset contains a sound-powered transmitter and receiver units.
The French TF-PP-1A sound powered telephone requires 2-conductor field telephone wire connected to another unit for communication with-out batteries. The handset is constructed from bakelite and the rubber cord is terminated with crocodile clips for easy wire hook-up. Maximum talking and signalling range of the TF-PP-1A is about 5 kilometres over 2 core telephone wire.
Armee Francaise - Combine Electromagnetique - Marche 1565 S.E.A. Courbevoie
Weight: 1kg.
Military production from France
Condition: Used. Unknown condition. The pictures presented at the auction show an example item. Military Surplus
