(Simplified practice recommendation R58-28.) [Title on cover is: Classification of iron and steel scrap, elimination of waste through simplified commercial practice. Recommendation became effective Jan. 1, 1928.]
Notes:
(Simplified practice recommendation R58-28.) [Title on cover is: Classification of iron and steel scrap, elimination of waste through simplified commercial practice. Recommendation became effective Jan. 1, 1928.] * For Sale by Superintendent of Documents. Paper, 10c.
Availability:
* For Sale by Superintendent of Documents. Paper, 10c.