Age and size of principal farm machines
By: by A.P. Brodell and James W. Birkhead
Contributors: Birkhead, James Wesley, 1916-; United States. Bureau of Agricultural Economics
Series: F.M -- 41; FM (United States. Bureau of Agricultural Economics) -- 41.
Publisher: U.S. Dept. of Agriculture, Bureau of Agricultural Economics
Published: 1943
Place of publication: Washington, D.C
Language: eng
Number of pages: 31
Subjects: Agricultural machinery
Notes: Cover title.

"April 1943."

At head of title: United States Department of Agriculture. Bureau of Agricultural Economics.

Reproduced from type-written copy.