Books about Perpetual motion (sorted by popularity)
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Displaying results 1–4
- A Budget of Paradoxes, Volume I Augustus De Morgan 349 downloads
- A Budget of Paradoxes, Volume II Augustus De Morgan 255 downloads
- Perpetual Motion Henry Dircks and Percy Verance 101 downloads
- Bangerter's Inventions; His Marvelous Time Clock 60 downloads
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Displaying results 1–4