File:RCA Indian Head test pattern.JPG

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Summary

Description
English: RCA black/white Indian Head test card, motif of the 2F21 monoscope tube, used from 1940 until the advent of color television.
Español: Carta de ajuste de Cabeza de Indio, monocromática desarrollada por RCA en 1939, motivo del tubo monoscopio, modelo 2F21 usado en Estados Unidos desde 1940 hasta la llegada de la televisión a color.
Русский: Старая телевизионная тестовая сетка, разработанная инженерами компании RCA в 1939 году (широко использовалась вплоть до широкого распространения цветного телевидения).
Date 4 October 2007 (original upload date)
Source http://www.high-techproductions.com/testpatterns.htm
Author RCA
Permission
(Reusing this file)		 PD-US-NO NOTICE.
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This work is in the public domain in the United States because it was published in the United States between 1930 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art.
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4 October 2007

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current06:19, 27 June 2013Thumbnail for version as of 06:19, 27 June 20131,024 × 768 (320 KB)wikimediacommons>AnonMooslosslessly grayscaling

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