Powell leverage cycle, in four parts; a system that doubles the power of any existing engine, causing three cylinders of a six cylinder engi
Alvah L Powell
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“Powell leverage cycle, in four parts; a system that doubles the power of any existing engine, causing three cylinders of a six cylinder engi” by Alvah L…
Catalogue details
- Author
- Alvah L Powell
- Category
- Engineering & Technology
- Language
- English
- Source
- HathiTrust