History
4 links
AT& T Labs Research
research.att.com
Inventions and scientific milestones in communications technology. See the first fax machine, learn about transatlantic calls, high-definition television and the artificial larynx.
L.A.P.D. Communications
snowcrest.net
Unofficial history of the Los Angeles Police Department Communications Division detailed in a series of photographs.
Motorola History
motorola.com
Motorola was founded by Paul V. Galvin as the Galvin Manufacturing Corporation, in Chicago, Illinois, in 1928.
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