A hand-operated winnower /

Bibliographic Details
Main Author:	Beaumont, J. H.
Corporate Author:	Tropical Products Institute (Great Britain)
Format:	Microform Book
Language:	English
Published:	London : Tropical Products Institute, [1981]
Series:	Rural technology guide ; 11. AT microfiche reference library ; 06-281.
Subjects:	Fanning mills > Design and construction.