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Wallclimbers: an earlier attempt at people-powered elevators

by LiveModern Webmaster last modified Jul 11, 2017 01:06 AM
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by Lloyd Alter last modified Jul 10, 2017

Cartoonist and inventor Steven M. Johnson has us climbing the walls




 

 

Cartoonist and inventor Steven M. Johnson has us climbing the walls

 

 

 
 
 
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