Year
1990
Distributor
Barr Films
UPC
9781559046718
Country
US
Video Standard
NTSC
ISBN
1559046716; 9781559046718; 1559046724; 9781559046725
OCLC
22810056
Language
ENG
An animated video which describes the development of the telegraph, telephone, radio, and television, and shows how these have made mass communication possible
An animated video which describes the development of the telegraph, telephone, radio, and television, and shows how these have made mass communication possible
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