San Francisco : Architect and Engineer, Inc · leaf 38
ON THE BALCONY — Instant telephone communicationamong the officers at an Army Information Center and topoints outside is available through equipment such as isshown here against definitely located targets only. Esti-mates are that each plane on ground alert isthe equivalent of I 6 on patrol… … MORE TELEPHONE EQUIPMENT—Since an InterceptorCommands operations are executed in terms of seconds,coordination of activities by telephone is of primary im-portance APRIL, 1942 33
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