carl august made communication by wireless telegraphy for the first time.
carl august made communication by wireless telegraphy for the first time.
who made communication by wireless telegraphy for the first time?
carl august
Na
Na
bullet::::- british patent no. 14788 (1904) ""improvements in or relating to wireless telegraphy"". date of application 18 july 1905; complete specification left, 23 january 1906; accepted, 10 may 1906.









































section::::patents.:us patents.









































bullet::::- ""transmitting electrical signals"", (using ruhmkorff coil and morse code key) filed december 1896, patented july 1897









































bullet::::- ""apparatus employed in wireless telegraphy"".









































bullet::::- ""apparatus employed in wireless telegraphy"".









































bullet::::- ""apparatus employed in wireless telegraphy"".









































bullet::::- ""apparatus employed in wireless telegraphy"".









































bullet::::- ""apparatus employed in wireless telegraphy"".









































bullet::::- ""apparatus employed in wireless telegraphy"".









































bullet::::- ""apparatus employed in wireless telegraphy"".









































bullet::::- ""receiver for electrical oscillations"".
guglielmo marconi