Luminosity filter and thermopile for a physical photometer /

Bibliographic Details
Main Author: Teele, Ray P.
Corporate Author: United States. National Bureau of Standards
Other Authors: Belknap, Marion A.
Format: Government Document Book
Published: Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, 1954.
Series:NBS report ; 3077.
Online Access:

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