Letters to the Editor
DEC 01, 1955
DOI: 10.1063/1.3061858
As a photometrist I have read with much interest Dr. Stevens’ article “Decibels of Light and Sound” in the October issue of Physics Today.
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More about the Authors
W. E. K. Middleton. National Research Council, Canada.
Vincent Salmon. Stanford Research Institute.
© 1955 American Institute of Physics
