COLORTV

Set to 2 different clues across 2 published puzzles, most often “Development of the 1950's” — The New York Times, Friday, 6 August 2004.

7 letters

Every clue on record, most used first

Development of the 1950'sonce
The New York Times — Friday, 6 August 2004
Technological advance of the 1950'sonce
The New York Times — Friday, 3 October 2003