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| | ipedia.com: Television Article (Site not responding. Last check: 2007-10-22) |
 | | Rosing dissapeared during the Bolshevik revolution of 1917, but Zworykin later went to work for RCA to build a purely electronic television, the design of which was eventually found to violate patents by Philo Taylor Farnsworth. |
 | | European colour television was developed somewhat later, in the 1960s, and was hindered by a continuing division on technical standards. |
 | | Nigeria was one of the first countries in Africa to introduce television, in 1959, followed by Zimbabwe (then Rhodesia) in 1961, while Zanzibar was the first in Africa to introduce colour television, in 1973. |
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