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
2927 downloads
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A Budget of Paradoxes, Volume II
Augustus De Morgan
1749 downloads
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Perpetual Motion
Henry Dircks and Percy Verance
839 downloads
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Bangerter's Inventions; His Marvelous Time Clock
444 downloads
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Displaying results 1–4
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