(Simplified practice recommendation R26-30.) [Supersedes R26. Title on cover is: Steel reinforcing bars, elimination of waste through simplified commercial practice. Recommendation became effective Sept. 2, 1930.]
Notes:
(Simplified practice recommendation R26-30.) [Supersedes R26. Title on cover is: Steel reinforcing bars, elimination of waste through simplified commercial practice. Recommendation became effective Sept. 2, 1930.] * For Sale by Superintendent of Documents. Paper 5c.
Availability:
* For Sale by Superintendent of Documents. Paper 5c.