Perpetual motion — Audiobooks

A Budget of Paradoxes, Volume I

A Budget of Paradoxes, Volume I

by Augustus De Morgan

Bangerter's Inventions; His Marvelous Time Clock

Bangerter's Inventions; His Marvelous Time Clock

A Budget of Paradoxes, Volume II

A Budget of Paradoxes, Volume II

by Augustus De Morgan

Perpetual Motion

Perpetual Motion

by Percy Verance, Henry Dircks