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Karl   Ferdinand Braun



   


  
Fulda 6.June.1850-New York 20.April.1918

1897  Oscilloscope    
 
 
 

 
In 1897 Braun in the laboratories of the University of Strasbourg develop the "Braunsche röhre" Oscilloscope instrument that will allow the display of electrical phenomena, his collaborator Jonathan Zenneck invents the basis times with the immediate improvement of the instrument.