BATTERY RINGING WALL TELEPHONES
FOR RAILWAY WORK
This set is suitable for short or moderately long lines. It is not fitted with a relay.
A condenser is connected in the receiver circuit and the speaking and ringing battery circuits are separate.
Double pole "Watch" receiver N6802
Receiver cord N4060
" Inset " transmitter complete N7702
Bell : 100 ohms
Condenser: 1 m.f.
Press-button for signalling
Enclosed terminals and disc type lightning arrester.
Overall dimensions 9.5 x 7.25 x 5.5 inches
Weight 4 lb.
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