gec.gif (1164 bytes)GEC K8369 & K8370

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

K8370

OPERATORS' TELEPHONE
FOR WORKING IN CONJUNCTION K8365 SWITCH BOARD

Fitted with a Central Battery Type of Hand Microtelephone, Automatic Cradle Switch, Circular Trembling Bell wound to 100ohms resistance, Four-magnet Ringing Generator, Answering Plug and Cord and Retardation Coil. Exterior fittings Nickel-plated and Lacquered. Woodwork of solid well-seasoned Polished Walnut.

Price in 1908 was £4.5.0



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

K8369 1926 model K8369 1935 model K8370 model

TELEPHONE SWITCHBOARDS (PMBX)
CENTRAL BATTERY, VISUAL AND LAMP SIGNAL TYPES
Floor Pattern

Suitable for Hotels, Flats and Public Buildings. Cabinet work of well-seasoned walnut.

Floor pattern lamp signalling central battery switchboards, without and with line relays.

K 8369
Without line relays - recommended for telephone circuits where the total line resistance of two wires forming one circuit does not exceed 15ohms. Comprises 10-way lamp socket mounting. Double line plugs (K 8408), double line cords (K 8476), mounting in strips of 10, relay bell and switch, combined ringing and listening keys (K 8436), 4 bar generator (K 8701) and K 7702 operator's instrument.

K 8370
With line relays suitable for telephone circuits up to 700 ohms resistance for the two wires. With exception of the lamp, all other parts are similar the K 8369.

Voltage of battery for both boards is 24 volts.

No. of lines No. of cord ccts Weight (lbs.)
K8369 without relays 		Weight (lbs.)
K8370 with relays 		Dimensions (ins)
30 5 147 164 60 line - 48.5 x 20 x 29.5
40 6 152 175 60 line - 48.5 x 20 x 29.5
50 7 157 186 60 line - 48.5 x 20 x 29.5
60 7 158 193 60 line - 48.5 x 20 x 29.5
60 7 184 212 120 line - 48.5 x 26.5 x 29
80 8 190 227 120 line - 48.5 x 26.5 x 29
100 10 200 247 120 line - 48.5 x 26.5 x 29
120 12 210 266 120 line - 48.5 x 26.5 x 29
120 12 218 274 160 line - 52 x 27 x 29
140 14 I 228 294 160 line - 52 x 27 x 29
160 15 234 308 160 line - 52 x 27 x 29
180 16 243 326 200 line - 52 x 27 x 29
200 17 252 342 200 line - 52 x 27 x 29


Taken from 1926 catalogue and the GEC Catalogue Everything Electrical - 1935 edition

 
 
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