. Bell telephone magazine . eer,who suggests available materials ofsuitable properties. Sometimes metal-lurgists or chemists may be designers then take hold ofthe problem, to see if the changes instrength, conductivity, or insulationrequire changes in the form of the partor device. Their knowledge of West-ern Electrics manufacturing methods is helpful in recommending designswhich can be made with existing orslightly modified facilities. In somecases, circuit experts may be called onto decide whether any changes will beneeded in existing systems. Finally,manufacturing engine


. Bell telephone magazine . eer,who suggests available materials ofsuitable properties. Sometimes metal-lurgists or chemists may be designers then take hold ofthe problem, to see if the changes instrength, conductivity, or insulationrequire changes in the form of the partor device. Their knowledge of West-ern Electrics manufacturing methods is helpful in recommending designswhich can be made with existing orslightly modified facilities. In somecases, circuit experts may be called onto decide whether any changes will beneeded in existing systems. Finally,manufacturing engineers of the West-ern Electric Company are responsiblefor the tool set-ups, and the actualprocesses of making and assemblingthe changed parts. The work of thesemen constitutes a useful function inthe defense program even outside theBell System, for they cooperate withthe Government and various engineer-ing societies in developing simplifiedpractices and otherwise alleviatingmaterial shortages. Bell Laboratories engineers con-. IIeplacing a Critical Metal Pliolite-coaied paper tape is used instead of aluminum tape in this operation of switchboard construction at Western Electric s plant at Kearney, N. J. i9Ui Telephones and Defense 197


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