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

K8395
CENTRAL BATTERY SWITCHBOARD
FOR PRIVATE BRANCH EXCHANGES
LAMP SIGNAL TYPE
DESK PATTERN
Consisting of Lamp Line Signals mounted in strips of ten, Corresponding Line Jacks, Line Relays with pure Platinum Contacts, Through Plugs and Cords,
Combined Ringing and Listening Keys with pure Platinum Contacts and hard-rolled German Silver Springs, and special 'Exchange' Line Circuits terminated on Plugs and Cords.
The Line and Cord Circuit Relays are mounted on special mounting plates, and are fitted in the board in such a manner as to be easily accessible. The Plugs and Cords are fitted with Lamp Supervisory Signals, so arranged that a complete control over the communications can be made by the operator without the necessity of tapping in on the lines.
A Breast Type of Transmitter and Head Gear Receiver are provided for the operator's Speaking Circuit, and a Five-magnet Generator is also fitted for ringing. Switches are also fitted for cutting In or out the Hand or Power Ringing Generator, the Night Bell and operator's Battery Circuit.
The Cabinet Wood is of highly-finished Polished Mahogany, fitted with Side Drawers provided with Lock and Key, for convenience in holding papers, books, etc. These Boards can be supplied in any specified wood to suit local requirements, if specially
ordered.
Taken from the GEC Telephone Catalogue, K Section, 10th Edition, 1908
K8395
PRIVATE AUTOMATIC EXCHANGE
A.C. RINGING, 26-VOLT, UNISELECTOR TYPE
A 25-line unit, in all respects similar to the K8394 except that it is arranged to work off 26 volts for A.C. ringing. It requires twin conductor
only to connect an instrument to
the switchboard.
No. of lines
|
Weight (lbs)
|
Dimensions (ins)
|
10 |
119 |
31 x 21.25 x 12 |
15 |
123 |
31 x 21.25 x 12 |
20 |
136 |
31 x 21.25 x 12 |
25 |
139 |
31 x 21.25 x 12 |
Instruments suitable for use with these boards are K8384/85/87/88.
Taken from 1932 catalogue and the GEC Catalogue Everything Electrical - 1935 edition
Also found in the Peel Conner Bulletin No. 8 dated 1926
|