Power and machinery in agriculture
By: by W.M. Hurst and L.M. Church.
Contributors: Church, L. M. 1872-1939.
Series: Miscellaneous publication / United States Department of Agriculture -- no. 157; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 157.
Publisher: U.S. Dept. of Agriculture
Published: 1933
Place of publication: Washington, D.C
Language: eng
Number of pages: 39
Subjects: Agricultural machinery -- United States.; Agriculture and energy -- United States.
Notes: Caption title.

"April, 1933."

Bibliography: p. 37-38.