This instrument of moulded Bakelite has been specially arranged and adapted for use in hotels, factories, offices, shops and for domestic purposes where a simple two-way telephone circuit with modern high-grade instruments is required.
By using a system of code ringing more than two stations can be connected to a circuit. Fitted with a 40 ohm DC bell.
Will work using a local battery for ringing and a common battery for speech or just the common battery for both ringing and speech.
For fixing to a wall, a bracket N8531 is supplied.
Dimensions 6.5 x 9.25 x 5.75 inches.
Effectively an intercom telephone that can use local or central batteries.
Taken from the Ericsson Telephone Catalogue, edition No. 26, 1935 Supplement
Last revised: March 05, 2022