Signals. Specification of railroad signal colors and glasses; by Kasson S. Gibson, Geraldine Walker Haupt, and Harry J. Keegan.
Publication Title:
Signals. Specification of railroad signal colors and glasses; by Kasson S. Gibson, Geraldine Walker Haupt, and Harry J. Keegan.
Display Title:
Signals. Specification of railroad signal colors and glasses; by Kasson S. Gibson, Geraldine Walker Haupt, and Harry J. Keegan.
Corporate Agency Authors:
National Bureau of Standards and Coast and Geodetic Survey
Sort Author:
National Bureau of Standards
Authors:
Gibson, Kasson S., Walker Haupt, Geraldine, and Keegan, Harry J.
Date:
[1946.]
Publish Date ISO Format:
1946-01-01T00:00:00Z
Publication Start:
19460101
Publication End:
19461231
Corporate/Agency Author:
National Bureau of Standards
Publication month:
13
Publication year:
1946
SuDoc number:
C 13.22/a:1688
Description:
p. 1-30, il.
Notes:
(Research paper RP1688.) [From Journal of research of National Bureau of Standards, Jan. 1946, v. 36.]
Notes:
(Research paper RP1688.) [From Journal of research of National Bureau of Standards, Jan. 1946, v. 36.] * For Sale by Superintendent of Documents. Paper, 10c.
Availability:
* For Sale by Superintendent of Documents. Paper, 10c.