The Use of the Photoelectric Cell in Cinematography
Three instruments employing the photoelectric cell designed by Messrs. Gans & Goldschmidt of Germany are described. These instruments are (a) an exposure meter employing the Mihaly circuit and galvanometer; (6) an instrument for calibrating the light intensity of lamps used in printing machines; and (c) an instrument for determining the brightness of projection screens.
- Print ISSN
- 0097-5834
- Published
- 1932-12
- Content type
- Original Research
- DOI
- 10.5594/J08988
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