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Diego Pereyra (UBA
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explores the strategies of
Marvelous Magnetic Machines Cathy McKinney current demographic dataWinner of the 2021 IBPA Gold Medal for Best Hobby and Craft Book, Marvelous Magnetic Machines: Building Model Electric Motors from Scrap is an inventive and visually captivating guide for anyone fascinated by electricity, magnetism, and mechanical design. Author H. P. Friedrichs a professional electrical engineer, inventor, and the celebrated author of The Voice of the Crystal and Instruments of Amplification returns with a new collection of projects
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