GEC K8390

This page consists of two different models with the same GEC catalogue number

K8390

Automatic Telephone

Similar to K8387 but arranged for wall mounting and comes with a black enamelled wall mounting bracket (BR1210). Table pattern automatic telephone comprising Bakelite hand combination without key in handle, fitted with improved type of inset transmitter, which can readily be removed if necessary, also superior quality receiver, D.C. ringer in lieu of A.C. ringer, automatic switch cradle. Case of single black Bakelite moulding, with stainless steel finger plate.

Used on the K8393 and K8394 PAX's.

Known by GEC as the Gecophone

See also the table model K8389

Weight - 6lb.

Dimensions - 9.25in x 5.75in x 6.75in.

Click here for circuit diagrams and how to convert to work in the UK

Taken from the 1932 and 1935 GEC catalogues

See also the GEC No. 90 and ST1501

K8390

CENTRAL BATTERY SWITCHBOARD
FOR PRIVATE BRANCH EXCHANGES
LAMP SIGNAL TYPE
WALL PATTERN

Equipped with Lamp Line Signals mounted in strips of ten, Corresponding Line Jacks, Relays, Through Plugs and Cords, Combined Ringing And Listening Keys, and Special 'Exchange' Line Circuits, terminated on Plugs and Cords. All the Plugs and Cords are fitted with Lamp Supervisory Signals, so arranged that a complete control over the connections can be made by the operator, without the necessity of tapping in on the lines.

A suspended type of Transmitter, with Adjustable and Sliding Arm, and a Double-pole Bell Receiver, and a Five-magnet Hand Generator, are provided for the operator's position. Switches are provided for throwing in or out the Hand or Power Generator, the Night Bell and the operator's Speaking Battery.

The Keyboard is hinged, to allow of easy access to the keys, The Wiring is thoroughly and highly insulated, and specially treated to withstand the extremes of heat and damp in all climates.

The Cabinet Work is of highly-finished Golden Oak, but can be of any specified wood to suit local requirements, if specially ordered.

Taken from the GEC Telephone Catalogue, K Section, 10th Edition, 1908

Last revised: January 10, 2023