. Bell telephone magazine . w r ff ity^A**Ni? Traffic cop of invasion: the Laboratories beachmaster adaptation of a Bell System public address loudspeaker (above). Truck-mounted rocket launchers (below) in action using a fire-control device developed by the Laboratories. The Special Knowledge^ Skills^ and Form of Organization Of the Bell Systems Research Unit Contributed in Many Ways to the Prosecution of the War Bell Laboratories Role in Victory Philip C. Jones I. Telephones at War The war-time contributions ofthe Laboratories were by no meanslimited to direct instrumentalities ofwar.* B
. Bell telephone magazine . w r ff ity^A**Ni? Traffic cop of invasion: the Laboratories beachmaster adaptation of a Bell System public address loudspeaker (above). Truck-mounted rocket launchers (below) in action using a fire-control device developed by the Laboratories. The Special Knowledge^ Skills^ and Form of Organization Of the Bell Systems Research Unit Contributed in Many Ways to the Prosecution of the War Bell Laboratories Role in Victory Philip C. Jones I. Telephones at War The war-time contributions ofthe Laboratories were by no meanslimited to direct instrumentalities ofwar.* Both the Army and Navy re-quired also many types of communica-tion systems, and their developmentwas undertaken by the Laboratoriesas a matter of course. Military telephone instruments—microphones, headsets, and loud-speakers—should be designed to pickup and deliver messages and ordersI with high intelligibility under thenoise of battle. They should be con-venient and easy to use with a widevariety of equipment. They shouldwithstand the rough and varied usageof modern warfare. * See Magazine: Electric Brain, Winter1943-44; Bell Laboratories in the War,Winter 1944-45; Radar and Bell Laboratories,Winter 1945-46. Noise is one of the chief obstacleswhich has to be over
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Keywords: ., bookauthoramerican, bookcentury1900, bookdecade1920, bookyear1922
