Guglielmo Marconi Demonstrates the Radio Ca. 1920Unknown - 1920
Guglielmo Marconi developed the first system that allowed for the transmission of long-distance radio broadcasting. His invention ushered in a new era of communication and brought him several accolades from the Italian government.
Publisher: [Place of publication not identified] : , WPA Film Library, , 
Copyright Date: ©1920
Characteristics: video file,rda 1 online resource (1 video file (0 min., 26 sec.)) : sound