(Simplified practice recommendation R1-32.) [Supersedes R1-29. Recommendation became effective Dec. 1, 1932.]
Notes:
(Simplified practice recommendation R1-32.) [Supersedes R1-29. Recommendation became effective Dec. 1, 1932.] * For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.