Biographical notes
 
 
   
History telegraph
 
History telephone
 
History radio
 
History TV
 
History components
 
Scientists index
 
Bibliography
   

 
 

 


   
    

Karl August von Steinheil 



 
Rapportsweiler 12 October 1801  Monaco 12 September 1870

1838 Telegraph with a wire 
 
 

 

Professors Monaco of Bavaria, discovered towards 1838, which broadcasts telegraph just one electrical conductor he can use as a conduit to "return" the land.