Appropriate Technology Sourcebook/Hints on the Development of Small WaterPower
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Bibliographic information: Hints on the Development of Small Water-Power, Leffel Pamphlet "A". Written and published by The James Leffel & Company.
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| License | CC-BY-SA-3.0 |
| Cite as | "Appropriate Technology Sourcebook/Hints on the Development of Small WaterPower". Appropedia. 2010–2026. Retrieved June 3, 2026. |