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SCIENTIFIC FACTS
1642
 
 
 
 

✔  The electric furnace             (1889)

✔  The steam turbine

✔  The gasoline-powered         automobile. 

✔ The moving picture


✔The airplane


✔  Wireless Telegraphy

✔  The cyanide process

✔  The Nikola Tesla                     induction motor

✔  The Linotype

     machine

✔ The electric welding

      process of 

      Elihu Thomson