Wind and windspinners : a 'nuts and bolts' approach to wind/electric systems /
| Main Author: | |
|---|---|
| Format: | Microform Book |
| Language: | English |
| Published: |
Mariposa, Calif. :
Earthmind,
1976
|
| Edition: | 4th printing. |
| Series: | AT microfiche reference library ;
21-494. |
| Subjects: |
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