1955 Event 1st radio facsimile transmission sent across the continent 1948 Event Facsimile high-speed radio transmission demonstrated (Washington D.C.) 1938 Event W9XZY broadcasts facsimile of St. Louis Post-Dispatch by radio 1926 Event 1st check sent by radio facsimile transmission across Atlantic 1924 Event 1st photo facsimile transmitted across Atlantic by radio (London-NYC) 1922 Event 1st facsimile photo send over city telephone lines, Washington, D.C.
