http://designobserver.com/feature/helmut-krone-period/4657
           
 

   “Consumer Orientation 4
    No 4 in a Series of Technical Papers Subject:
    Body Longevity
    The Cathodic Rust Protection of Zinc…
    Between iron and zinc, there is a voltage potential of approximately 0.3 volts. Because zinc has a negative potential it becomes an anode…

 
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Krone's Porsche wheel... Krone's Research & Development with a toy Porsche - he'd done it before, with a toy Volkswagen Beetle...

 
     
All chapter 1 spreads