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621.3/092
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http://bibfra.me/vocab/lite/Category
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621.3/092
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621.3/092
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Thomas A. Edison, the man who lit up the world, Martin Woodside
Tesla, master of lightning, produced and directed by Robert Uth ; executive producer, Phylis Geller ; written by Robert Uth, Phyllis Geller ; a production of New Voyage Communications
Endless frontier, Vannevar Bush, engineer of the American Century, by G. Pascal Zachary
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