(Simplified practice recommendation R17-31.) [Supersedes R17. Title on cover is: Forged tools, elimination of waste through simplified commercial practice. Recommendation became effective July 1, 1931.]
Notes:
(Simplified practice recommendation R17-31.) [Supersedes R17. Title on cover is: Forged tools, elimination of waste through simplified commercial practice. Recommendation became effective July 1, 1931.] * For Sale by Superintendent of Documents. Paper, 15c.
Availability:
* For Sale by Superintendent of Documents. Paper, 15c.