UNITED STATES DEPARTMENT OF COMMERCE
Alexander B. Trowbridge, Secretary
NATIONAL BUREAU OF STANDARDS • A. V. Astin, Director
Colorimetry
I. Nimeroff
Institute for Basic Standards
National Bureau of Standards
Washington, D.C. 20234
National Bureau of Standards Monograph 104
(Supersedes NBS Circular 478)
Issued January 1968
For sale by the Superintendent of Documents, U.S. Government Printing Office
Washington, D.C. 20402 • Price 35 cents
