A Precision Color Temperature Meter for Tungsten Illumination

G. H. Dawson, D. E. Grant, H. F. Ott

A precision color temperature meter utilizing red and blue filters is described. A special logarithmic diaphragm largely eliminates undesirable effects of nonuniform response over the cell area and aids accurate setting of the red filter standard at high intensities.

Print ISSN
Published
1952-10
Content type
Original Research
DOI
10.5594/J01782