C.B. Wall Telephone
The case and fittings of this instrument are similar to the one above, except that a micro-telephone is fitted in place of a separate transmitter and receiver.
It is only supplied fitted with the electromagnetic type of receiver and circuit.
All exposed metal of the micro-telephone is totally insulated from the circuit and working parts.
It is very suitable for works, hospitals and similar installations.
Micro-telephone cord N4010
Overall dimensions 11.25 x 6.75 X 3.75 inches
Weight 6 lb.
Taken from the Ericsson catalogue, edition 26
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