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$5000.00 for Perpetual Motion, a bet they knew they couldn't lose. Ad has pictures of three machines that did not work, and a cover image of the magazine with article on the subject. Published in the April, 1925 issue of RADIO NEWS.
Source: Magazine collector Steve Davis
Restoration by: magscanner
- Created on
- Wednesday 29 December 2010
- Posted on
- Wednesday 29 December 2010
- Tags
- design, fakery, machine, thermodynamics
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