File:DuMont Telecruiser - Early TV production truck.jpg

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Summary

Description	English: One of the first remote TV production trucks, the DuMont Telecruiser, built by DuMont Television Network in 1949. It is shown in this 1953 advertising illustration during broadcast, with side cut away to reveal the interior construction. The roof platform, accessible from inside through a hatch, allowed the large cameras to see over crowds (handheld cameras did not exist yet). The video feed was transmitted back to the studio through the microwave dish on the roof (communication satellites did not exist). Alterations to image: cloned in some ground in front of the vehicle which was removed in the advertisement. The crosshatched lines in background are aliasing artifacts from scanning of halftone image.
Date	February 1953
Source	Retrieved June 16, 2015 from Tele-Tech magazine, Caldwell-Clements, Inc., New York, Vol. 12, No. 2, February 1953, p. 143 on http://www.americanradiohistory.com
Author	Unknown authorUnknown author
Permission (Reusing this file)	This image is from an advertisement by Grant Pulley and Hardware Co., New York, without a copyright notice published in a 1953 magazine. In the United States, advertisements published in collective works (magazines and newspapers) are not covered by the copyright notice for the entire collective work. (See U.S. Copyright Office Circular 3, "Copyright Notice", page 3, "Contributions to Collective Works".) Since the advertisement was published before 1978 without a copyright notice, it falls into the public domain.

Licensing

This work is in the public domain in the United States because it was published in the United States between 1929 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. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	02:55, 11 November 2015		740 × 513 (71 KB)	Chetvorno	Version without aliasing artifacts (wavy crosshatched lines) present in the old image introduced by scanning of halftone magazine picture
	20:41, 16 June 2015		675 × 469 (90 KB)	Chetvorno	User created page with UploadWizard