Science & Mechanics Spring 1980 Motor Powered only by permanent Magnets

<span;>This vintage Science & Mechanics issue hails the "Amazing New Motor Powered Only By Permanent Magnets!"  Features 15 HP output, 5000-watt generator capabilities, and a glimpse into theories that could change the world.  Also inside: articles on building furniture, space colonies, and more! A must-have for any science and technology enthusiast.  In fair condition. But entirely readable.