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TRAFFIC CONTROL TELEPHONE SYSTEMS Circuit - Sam Hallas

TRAFFIC CONTROL TELEPHONE SYSTEMS Circuit - Sam Hallas

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<strong>TRAFFIC</strong> <strong>CONTROL</strong><br />

<strong>TELEPHONE</strong> <strong>SYSTEMS</strong><br />

<strong>Circuit</strong> Descriptions and<br />

Hints on Maintenance<br />

This bulletin deals with the operation and mainte-<br />

nance of the apparatus used in the "Standard" Traffic<br />

Control Telephone Systems. These systems are extremely<br />

simple to erect and maintain and if the following hints<br />

and instructions are carefully followed no difficulty will<br />

be found in installing and keeping the equipment in the<br />

best condition.<br />

Standard Telephones & Cables Ltd., its Representa-<br />

tives and Agents are always willing to give expert advice<br />

and assistance if desired.<br />

Registered Office: Connaught House, Aldwych, London, W.C.2.<br />

(<strong>TELEPHONE</strong> DIVISION)<br />

OAKLEIGH ROAD, NEW SOUTHGATE, LONDON, N.11<br />

Telegrams : Essteecee Telex, London. Telephone : Enterprise 1234.<br />

D/RS6<br />

Ed. 2/1<br />

Page 1

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