AT& T Labs Research: 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: Unofficial history of the Los Angeles Police Department Communications Division detailed in a series of photographs.
Motorola History: Motorola was founded by Paul V. Galvin as the Galvin Manufacturing Corporation, in Chicago, Illinois, in 1928.
