Signal lamps. Standardization of luminous-transmission scale used in specification of railroad signal glasses; by Kasson S. Gibson and Geraldine Walker Haupt.
Publication Title:
Signal lamps. Standardization of luminous-transmission scale used in specification of railroad signal glasses; by Kasson S. Gibson and Geraldine Walker Haupt.
Display Title:
Signal lamps. Standardization of luminous-transmission scale used in specification of railroad signal glasses; by Kasson S. Gibson and Geraldine Walker Haupt.
Corporate Agency Authors:
National Bureau of Standards and Commerce Department
Sort Author:
National Bureau of Standards
Authors:
Gibson, Kasson S. and Walker, Geraldine
Date:
[1939.]
Publish Date ISO Format:
1939-01-01T00:00:00Z
Publication Start:
19390101
Publication End:
19391231
Corporate/Agency Author:
National Bureau of Standards
Publication month:
13
Publication year:
1939
SuDoc number:
C 13.22/a:1209
Description:
p. 627-649, il.
Notes:
(Research paper RP1209.) [From Journal of research of National Bureau of Standards, v. 22, June 1939.]
Notes:
(Research paper RP1209.) [From Journal of research of National Bureau of Standards, v. 22, June 1939.] * For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.