(Simplified practice recommendation R92-28) [Title on cover is: Hard fiber twines (ply and yarn goods), elimination of waste through simplified commercial practice. Recommendation became effective Nov. 1, 1928.]
Notes:
(Simplified practice recommendation R92-28) [Title on cover is: Hard fiber twines (ply and yarn goods), elimination of waste through simplified commercial practice. Recommendation became effective Nov. 1, 1928.] * For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.