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