Documenti Marconi 
  
  
GUGLIELMO MARCONI
 
 
 Documenti
   
Patent US 763.772  June 28, 1904  Apparatus for wireless telegraphy 
(Corresponding to PATENT ENGLISH 7777 of 26 April 1900 and the patent
French No. 305060 of 3 November 1900)
 
    Patent  US 763.772  June 28,  1904  Apparatus for wireless telegraphy