File:Bell telephone magazine (1922) (14756455845).jpg

Identifier: bellvol24telephonemag00amerrich (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: BayNet

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S in their bombings ofthe Japanese home islands. Most ofthe damage done by the B-29 raidswas by bombs directed by these radarequipments. The Laboratories radar bombing against individual targets were equalto those of optical bombing undergood visibility. From some view-points this was a greater technical ac-complishment than that of our accur-ate fire control radars. The radarbombing equipment not only had thesame objectives of high precision asdid the fire-control radars; it also had 1945-46 Radar and Bell Laboratories 243 to meet the severe weight and sizelimitations essential for airplane use—a most difficult task which requiredalmost four years of Intensive re-search and development on the sys-tem and Its component apparatus.The Radiation Laboratory and bomb, called the Bat. Under a NavyBureau of Ordnance contract theLaboratories developed the radarhead which supplied the directionalor homing to the target informa-tion. The NDRC developed theglider and automatic controls for its
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The Bat, a radar-guided winged bomb, slung under the wing of a Navy bomber Bell Laboratories continuously Inter-changed information and ideas on ra-dar bombing. There was also asharing of responsibility and workload on some of the projects. Bell Laboratories cooperated withthe NDRC in the development forthe Navy of a radar-guided winged steering from radar-received data.It was standardized for use and largequantities were manufactured. TheWestern Electric Company producedthe radar heads according to Labora-tories designs. The Bat sank manytons of Japanese naval and merchantshipping during the final months of 244 Bell Telephone Magazine WINTER the war. It was the first missile ofits type ever successfully used incombat. Radar for Ground Use Radars operated from the groundhave found broad application by theArmy Ground Forces, the Marines,and the Army Air Forces in the pro-tection of airfields and other fixed in-stallations from enemy airplane at-tack. They have also had extensiveuse in

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