History’s Greatest Crime Sprees

History’s Greatest Crime Sprees

Khalid Elhassan - April 15, 2021

History’s Greatest Crime Sprees
Woodcut of an 1877 private demonstration of the Keely Engine. Fine Art America

18. Selling a Perpetual Motion Machine to the Gullible

Keely’s engine was a perpetual motion machine – a physics impossibility because it would violate the first or second laws of thermodynamics. John Keely demonstrated a prototype to guests in his workshop by pouring water into its engine, then playing a harmonica, violin, flute, or other musical instruments to activate the machine with sound vibrations. Soon, the device gurgled, rumbled, came alive, and provided pressures of up to 50,000 psi on display gauges. Harnessing that power, Keely arranged demonstrations in which thick ropes were ripped apart, iron bars were bent, twisted, and snapped in two, and bullets were driven through twelve-inch wooden planks.

History’s Greatest Crime Sprees
John Keely and an 1895 version of his engine. Gaby de Wilde

Keely made up science-y sounding terminology to describe the principles of his invention. He began by describing his engine as a “vibratory generator”. Then he started telling observers that they were seeing “quadruple negative harmonics”. At other times, he told gullible investors that he was going to make them filthy rich with his “hydro-pneumatic pulsating vacu-engine”. If a listener sounded a note of skepticism, Keely drowned it with yet more science-y sounding phrases such as “vibratory negatives”, “atomic triplets”, “etheric disintegration”, and “atomic ether vibrations”.

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