Technical Papers
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Tungsten Lamp Manufacturing Processes used by the United Incandescent Lamp Co. Budapest, C.H.EISLER (Tungsram), 1916 December |
Machines for Electric Lamp Manufacture, H.W.B.GARDINER, E.A.HEYWOOD, W.J.WORDSELL (Osram-GEC), Institute of Mechanical Engineers, 1962 December |