Instrumental color measurement of retro-reflective highway sign materials.

Author(s)
Nomeroff, I.
Year
Abstract

The colorimetric properties of 47 samples of retro-reflective highway sign materials were obtained by visual measurements outdoors using five observers having normal color vision, and by three photoelectric tristimulus colorimeters and a recording spectrophotometer, after which the results are discussed.

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Publication

Library number
B 2411 /82/83/
Source

Washington, D.C., U.S. Dept. of Commerce, National Bureau of Standards, 1971, 39 p., graph., tab.; NTIS PB- 204586 / NBS Report No. 10452

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