File:OperationTumblerDoeVideo0800077.webm

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OperationTumblerDoeVideo0800077.webm ‎(WebM audio/video file, VP8/Vorbis, length 23 min 1 s, 480 × 360 pixels, 400 kbps overall, file size: 65.86 MB)

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Description

This film explains how cameras are positioned to record and later study blast effects (with smoke trails) and thermal fenomena (with ground dust lifted by heat).

Quite techinical, with lots of footage directly from "Operation Tumbler-Snapper" of 1952 (avaiable also here on Archive.org).
Date
Source https://archive.org/details/OperationTumblerAPhotographicStudyOfBlastAndThermalPhenomena
Author USAF Lookout Mountain Laboratory

Licensing

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Public domain
This image is a work of a U.S. military or Department of Defense employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States.

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This file, which was originally posted to https://archive.org/details/OperationTumblerAPhotographicStudyOfBlastAndThermalPhenomena, was reviewed on 12 January 2018 by reviewer Racconish, who confirmed that it was available there under the stated license on that date.

File history

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Date/TimeThumbnailDimensionsUserComment
current13:16, 12 January 201823 min 1 s, 480 × 360 (65.86 MB)ComputerHotline (talk | contribs)Imported media from https://ia800500.us.archive.org/15/items/OperationTumblerAPhotographicStudyOfBlastAndThermalPhenomena/OperationTumblerDoeVideo0800077.mp4

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Transcode status

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Format Bitrate Download Status Encode time
VP9 360P 289 kbps Completed 01:48, 6 September 2018 12 min 16 s
Streaming 360p (VP9) Not ready Unknown status
VP9 240P 198 kbps Completed 01:48, 6 September 2018 12 min 13 s
Streaming 240p (VP9) 115 kbps Completed 20:10, 6 February 2024 3.0 s
WebM 360P 463 kbps Completed 13:24, 12 January 2018 8 min 33 s
Streaming 144p (MJPEG) 783 kbps Completed 11:36, 17 November 2023 28 s
Stereo (Opus) 79 kbps Completed 11:37, 17 November 2023 20 s
Stereo (MP3) 128 kbps Completed 11:36, 17 November 2023 24 s

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