A sodium-extrusion press
By: Harold W. Rusk
Contributors: United States. Entomology Research Branch
Series: ARS -- 33-16; ARS (Series) (United States. Agricultural Research Service) -- 33-16.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1956
Place of publication: [Beltsville, Md.?]
Language: eng
Subjects: Insecticides; Research; Equipment and supplies
Notes: Caption title.

"March 1956."