How to construct a cheap wind machine for pumping water

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Bibliographic Details
Corporate Author: Brace Research Institute
Format: Book
Language:English
Published: Quebec Brace Research Institute, MacDonald College of McGill University 1979
Edition:[2nd] rev. ed
Series:Do-it-yourself leaflet no. L-5
Subjects:
Wind power
Pumping machinery
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Description
Physical Description:[16]p. ill.

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