A castor bean harvester for California
By: by G.E. Coppock and L.G. Schoenleber
Contributors: Schoenleber, L. G. (Leonard George), 1906-; United States. Agricultural Research Service. Agricultural Engineering Research Branch
Series: United States. Agricultural Research Service -- ARS 42-8; ARS 42 -- 8.
Publisher: United States Department of Agriculture, Agricultural Research Service, Agricultural Engineering Research Branch
Published: 1957
Place of publication: [Washington, D.C.]
Language: eng
Subjects: Castor beans; Harvesting; Machinery; Harvesting machinery
Notes: Caption title.

"February 1957."