File:Bell telephone magazine (1922) (14569573247).jpg

Identifier: bellvol25telephonemag00amerrich (find matches)
Title: Bell telephone magazine
Year: 1922 (1920s)
Authors: American Telephone and Telegraph Company American Telephone and Telegraph Company. Information Dept
Subjects: Telephone
Publisher: (New York, American Telephone and Telegraph Co., etc.)
Contributing Library: Prelinger Library
Digitizing Sponsor: Internet Archive

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tuation.With the drying up of North Af-rica and the establishment of a firmfoothold In France, the London-Algiers system was no longer needed.But the War In the l^acIHc was ad-vancing at a faster pace, and moretacilitles were needed there. So theAlgiers terminal was shipped back f 1946 Command Circuits III to Western Electric, reconditioned,reshipped, and finally was installed inManila. This was by no means the only in-stallation of multi-channel equipmentin the Pacific. The first system hadbeen placed in operation in Brisbane,Australia, in March 1943, and re-mained in service there until the sum-mer of 1945, when it was dismantledand leap-frogged northward tomeet a need for service much fartherforward—in Tokyo. Three terminals were installed inHawaii in bomb-proof tunnels builtshortly after the Pearl Harbor dis-aster. Two of these worked withSan Francisco, the third with Guam.In addition to the usual Army traffic,some channels of these systems wereextended to Navy headquarters, one
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Ulterior of one of the trailers shown i)i thepreceding picture was used for air traffic control, andothers made it possible for the JointChiefs of Staff to maintain almostinstantaneous contact with the Twen-tieth Air Force units whose swarmsof B-29S reduced Japanese industryto ashes. Bombs away signalsfrom B-29S over Japan were pickedup at Guam and flashed on to Wash-ington so quickly that it is likely thatthe news reached the Pentagon be-fore the first bomb struck the target. ^^Sigcirau Afoat The rough terrain and transpor-tation difficulties experienced early inthe New Guinea campaign pointed tothe need for more mobile equipment.But mobile installations like the Sig-circus caravan used in Europe wouldhave been useless in lands whereroads were mountainous or non-existent. So the Signal Corps wentto sea. x\ complete Seaborne Com-munications Center was built intwo large barges, one containingthe radio transmitter and the otherthe receiver and terminal equipment.These barges, together w

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