General Considerations

  • H. A. E. Keitz
Part of the Philips Technical Library book series


In Part I (Ch. XII) we have already defined photometry and the principles upon which it is founded. Let us briefly review these once again. Photometry is the measurement of radiation on the basis of the visual sensation induced by it.


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  1. 1).
    See for instanceGoogle Scholar
  2. P. J. Bouma 1) Ch. I, p. 144 et seq.Google Scholar
  3. J. W. T. Walsh: “Photometry”, 2nd edition, Chapter XI, London 1952Google Scholar
  4. Ph. T. R. 5, 1940, 82–87. “Tungsten Ribbon Lamps for Optical Measurements”. Compiled by J. VoogdGoogle Scholar
  5. 3).
    J. Marterstock, Lichttechnik 2, 1950, 177–181. “Uber die Eignung elektrischer Messinstrurnente für die Photometrie von Gasentladungslampen”Google Scholar
  6. 4).
    “International specification for tubular fluorescent lamps for general lighting service”, I.E.C. Publication 81Google Scholar

Copyright information

© N. V. Philips’ Gloeilampenfabrieken, Eindhoven (The Netherlands) 1971

Authors and Affiliations

  • H. A. E. Keitz

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