How to build a 'Cretan sail' wind-pump : for use in low-speed wind conditions /

Bibliographic Details

Main Author:	Mann, R. D. (Robert D.)
Format:	Microform Book
Language:	English
Published:	London : Intermediate Technology Publications, 1979.
Series:	AT microfiche reference library ; 21-474.
Subjects:	Wind power. Windmills. Wind turbines.