Identifier: belltelephonemag23amerrich (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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d, from the standpointof number of new books published,the activities of Bell Laboratories ex-ceed those of the largest private bookpublishing concerns. In addition to the work done withinthe Laboratories, many of our out-standing scientists and engineers haveserved on government committees, in-cluding particularly various sub-committees of the National DefenseResearch Committee. More than 30ha\e been so engaged extensively andsome have been loaned for full-timeservice while many others iiave servedin limited capacities. We were gov-erned in this by the desire to make T944-45 Bell Laboratories in the War 239 tlie most effective use of each indi-viduals time in the national wareffort. Many demands have also beenmade on us for the transfer of skilledpersonnel to the Services or to the war effort that we do so. We have,however, transferred more than 100professional employees to the Servi-ces and a small number to the Na-tional Defense Research Committeeor its academic sub-contractors. In
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Shown here is a portion of an AA battery. In the foreground^is the tracker unitof an electrical gun director. This feeds information concerning the position, speed,and course of hostile planes to the electrical computer. Through a suitable nervemechanism the computer in turn aims the guns visible in the background, givingthem the proper lead. As the planes move, the guns move too, being provided witha continuous bead by the electrical computer. In carrying out its instantaneouscalculation, the computer takes account of all important factors, such as windvelocity, latitude, barometric pressure, and type of propelling powder National Defense Research Commit-tee. We have not always been ableto meet these demands, for had wemet all of them we would have hadlittle technical staff left and it wouldnot have been in the interest of the many instances, this loan of personnelto the Services, particularly where oflimited duration, has been very help-ful in our own work. The men whohave come back

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