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Perpetual motion

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Cover of A Budget of Paradoxes, Volume I

A Budget of Paradoxes, Volume I

Augustus De Morgan

4.7
Cover of A Budget of Paradoxes, Volume II

A Budget of Paradoxes, Volume II

Augustus De Morgan

4.7
Cover of Perpetual Motion

Perpetual Motion

Henry Dircks

3.3
Cover of Bangerter's Inventions; His Marvelous Time Clock

Bangerter's Inventions; His Marvelous Time Clock

Unknown

3.8