9 is heavier than 6

All you perpetual-motion skeptics, just try to argue against the logic of this!

Twelve discs on wheel bear "number 6," which is visible on right side, but which becomes "9" on left. The "9" being heavier, upsets balance, turning wheel.

Los Angeles Daily News - Sep 19, 1931

     Posted By: Alex - Sat Aug 26, 2023
     Category: Inventions | 1930s

It works almost as well for Roman numerals: IV becomes VI.
Posted by ges on 08/27/23 at 02:26 PM
Whoops. I should have said IX becomes XI.
Posted by ges on 08/28/23 at 08:27 PM
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