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Description
English: Nuclear detonation from the "Tumbler Snapper" test series showing fireball and " rope tricks" by Lawrence Livermore National Laboratory. The photograph was shot by a Rapatronic camera built by EG&G. Since each camera could record only one exposure on a sheet of film, banks of four to 10 cameras were set up to take sequences of photographs. The average exposure time was three millionths of a second. The cameras were last used at the Test Site in 1962.
Deutsch: Operation Tumbler-Snapper: Der wachsende Feuerball einer der Snapper-Explosionen. Das Bild wurde mit einer Rapatronic-Hochgeschwindigkeitskamera etwa eine Millisekunde nach der Detonation aufgenommen. Der Durchmesser des Feuerballs beträgt etwa 20 Meter. Die scheinbaren Ausstülpungen an seiner Unterseite sind durch Befestigungskabel des Bombenturms verursacht, die die Wärmestrahlung des Feuerballs absorbieren. Diese Ausstülpungen werden als „Rope Trick“-Effekt bezeichnet.
Source http://www.radiochemistry.org/history/nuke_tests/tumbler_snapper/ has source info for that photo and attributes it to the US government
Author U.S. Air Force 1352nd Photographic Group, Lookout Mountain Station
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There is a version with the undesirable moire effect filtered out [2] here]

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From w:en:Image:Tumbler Snapper rope tricks.jpg.


Public domain
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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Information

Captions

Operation Tumbler–Snapper detonation

Items portrayed in this file

depicts

Operation Tumbler–Snapper

media type

image/jpeg

File history

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Date/TimeThumbnailDimensionsUserComment
current 13:19, 17 June 2011 Thumbnail for version as of 13:19, 17 June 2011922 × 852 (90 KB) JakuzemRemoved black margins (not noticed before), so there is only better contrast and lack of moire but not increased resolution compared to the original version.
12:49, 17 June 2011 Thumbnail for version as of 12:49, 17 June 20111,247 × 852 (108 KB) JakuzemFound higher resolution version of the picture, with better contrast and without the moire due to scanning a printed image. Found at: http://www.howtobearetronaut.com/2011/05/nuclear-bomb-tests/
16:08, 24 June 2005 Thumbnail for version as of 16:08, 24 June 2005926 × 852 (175 KB) Mats Halldin~commonswikiNuclear detonation from the "Tumbler Snapper" test series. From w:en:Image:Tumbler Snapper rope tricks.jpg. {{PD-USGov}}

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