Books about Perpetual motion (sorted by popularity)
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Displaying results 1–4
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A Budget of Paradoxes, Volume II Augustus De Morgan 830 downloads
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A Budget of Paradoxes, Volume I Augustus De Morgan 581 downloads
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Perpetual Motion Henry Dircks and Percy Verance 205 downloads
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Bangerter's Inventions; His Marvelous Time Clock 115 downloads
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Displaying results 1–4