File:342-FH-3B23427 (17537483644).jpg

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Description 342-FH-3B23427: Japanese Fu-Go Balloon. A master aneroid (center, covered) controls the Japanese Balloon’s minimum altitude. The others are used if the master fails. Uncovered aneroids show how the electrical current circuit is closed when increased air pressure forces down the disk, bringing a wire loop in contact with a horizontal pin which passes through center of the loop. U.S. Army Air Corps (Air Force) photograph, now in the collections of the National Archives. (5/26/2015).
Date
Source 342-FH-3B23427
Author National Museum of the U.S. Navy

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Public domain
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

This image, originally posted to Flickr, was reviewed on 28 April 2017 by the administrator or reviewer Leoboudv, who confirmed that it was available on Flickr under the stated license on that date.

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Date/TimeThumbnailDimensionsUserComment
current14:34, 28 April 2017Thumbnail for version as of 14:34, 28 April 20172,830 × 2,246 (1.06 MB)Mliu92 (talk | contribs)Transferred from Flickr via Flickr2Commons

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