Books about Perpetual motion
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Displaying results 1–4
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A Budget of Paradoxes, Volume I
Augustus De Morgan
3090 downloads
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A Budget of Paradoxes, Volume II
Augustus De Morgan
1508 downloads
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Perpetual Motion
Henry Dircks and Percy Verance
811 downloads
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Bangerter's Inventions; His Marvelous Time Clock
261 downloads
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Displaying results 1–4
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