The test weight of grain
Subtitle: a simple method of determining the accuracy of the testing apparatus
By: by E.G. Boerner and E.H. Ropes
Contributors: Ropes, Elihu Harrison, 1876-
Series: Bulletin / United States Department of Agriculture -- no. 1065; Bulletin of the U.S. Department of Agriculture -- no. 1065.
Publisher: U.S. Dept. of Agriculture
Published: 1922
Place of publication: Washington, D.C
Language: eng
Number of pages: 13
Subjects: Grain; Grading; Testing
Notes: Caption title.

"May 18, 1922."

"Professional paper."