A vast quantity of published material is available on phototubes and dates back to Hallwachs in 1888, and those two excellent workers, Elster and Geitel, in 1889. A number of references have been chosen which it is believed cover the art sufficiently for the modern designer.

    If a more extensive background is requiered than that provided by the following citations, they will facilitate further search.


    Sinding Larsen (U.S. Patent 1,473,882, A. Sinding-Larsen)

    Nakken (U.S. Patent 1,889,758, T.H. Nakken)

    Tedham (Br. Patent 356,747, W.F. Tedham)

    Wright & Smith (U.S.Patent 1,995,138, G.M. Wright & S.B. Smith)

    Metcalf (I.R.E. Proc., Vol. 17, No. 11, November, 1929, G.F. Metcalf)

    Asao & Suzuki (I.R.E. Proc., Vol. 19, No. 4, April 1931, S. Asao and M. Suzuki)

    Iams & Salzberg (I.R.E. Proc., Vol. 23, No. 1, January, 1935, H. Iams and B.Salzberg)

    Wilson (Television by J.C. Wilson, Pitman & Sons, Ltd., 1937)

    Hughes & DuBridge (Photoelectric Phenomena by Hughes & DuBridge. Published by Mc Graw Hill) 

    Campbell & Richie (Photoelectric by Campbell and Ritchie. Published by Pitman & Sons)

    Zworykin & Wilson (Photocells and Their Applications by E.D. Wilson and V. Zworykin, published by John Wiley & Sons)

    Dejardin (Rev. Gen. dÈlec., Vol. 34, pp. 515, 555, 591, 629; 1933, G. Dejardin)

    Jamieson, Shea & Pierce (Jour. Soc. Mot. Pic. Eng., 27, p. 365 ; 1936, M.F. Jamieson, T.E. Shea and P.H. Pierce)

    Prescott & Kelly (Bell Sys. Tech. Jl., 3, 334, July, 1932, C.H. Prescott and M.J. Kelly)

    Koller (J.O.S.A. , p. 135, September, 1929, L.R. Koller)

    Kluge (Zeits. f. Physik, 95, 11-12, pp. 734-746, July 12, 1935, W. Kluge)

    Culver (U.S. Patent 1,898,080, C.A. Culver)

    (C) Marius Rensen


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