National Bureau of Standards and Commerce Department
Sort Author:
National Bureau of Standards
Date:
1938
Publish Date ISO Format:
1938-01-01T00:00:00Z
Publication Start:
19380101
Publication End:
19381231
Corporate/Agency Author:
National Bureau of Standards
Publication month:
13
Publication year:
1938
SuDoc number:
C 13.12/1:19/4
Description:
ii+12 p.
Notes:
(Simplified practice recommendation R19-37.) [Supersedes R19-28. Recommendation became effective Dec. 15, 1937.]
Notes:
(Simplified practice recommendation R19-37.) [Supersedes R19-28. Recommendation became effective Dec. 15, 1937.] * For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.