Modern Mechanix Round-UP

Posted by Charles Shopsin, April 8, 2008 11:41 AM |
lrg_revolving_toothbrush.jpgToday on Modern Mechanix we look at this revolving tooth brush from 1938 which looks a lot like an Oral-b with one critical difference: It's spring powered. This Popular Science from 1931 explains all of the techniques engineers used to win our "Endless Fight for Water". Also check out this acoustically guided missile, a thirty-foot periscope for golfers, a method to keep a cop's feet warm and a crazy Charles Atlas ad.
posted in: Links ,  Retro
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#1 posted by noen , April 8, 2008 5:22 PM

So the revolving toothbrush is cordless! Nothing ever changes does it?

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