Roller-gin construction, maintenance, and operation
By: by James S. Townsend ... Thomas C. Walton ... and William J. Martin ...
Contributors: Martin, William J. (William Jules), 1910- joint author; Walton, Thomas C., joint author; United States. Bureau of Agricultural Chemistry and Engineering; United States. Agricultural Marketing Service; United States. Bureau of Plant Industry
Series: ACE -- [68]; ACE -- [68].
Publisher: U.S. Dept. of Agriculture, Bureau of Agricultural Chemistry and Engineering
Published: 1940
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 14
Notes: At head of title: United States Department of Agriculture. Bureau of Plant Industry, Bureau of Agricultural Chemistry and Engineering and Agricultural Marketing Service.

Reproduced from typewritten copy.