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Glass limit standards deposited at NBS for railway, highway and airways traffic signal colors ::history, permanence and colorimetric properties

Published

Author(s)

Geraldine W Haupt
Citation
- NBS TN 564
Report Number
NBS TN 564

Citation

Haupt, G. (1971), Glass limit standards deposited at NBS for railway, highway and airways traffic signal colors ::history, permanence and colorimetric properties, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.TN.564 (Accessed February 20, 2024)
Created January 1, 1971, Updated May 19, 2023