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By Frank R. Spellman. Author Frank R. Spellman. Part I Physical Aspects of Wind Turbines (aka The Horse). Chapter 1. Chapter 2. From Windmill to Wind-Turbine. Chapter 3. The Winds of Change.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.