File:"Strength tests on DH-4 airplane wing ribs Project-L-225-2" from- Forest Products Laboratory for Research Work during the war. Illustrating the development in designing a wing rib for De Haviland airplane - NARA - 17341228 (cropped).jpg

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Summary

Author
Unknown authorUnknown author or not provided
Record creator
InfoField
War Department. 1789-9/18/1947
Title
Airplanes - Wings - Forest Products Laboratory for Research Work during the war. Illustrating the development in designing a wing rib for De Haviland airplane. The improved wing rib as designed is 30 per cent light in weight and has more than twice the strength of the original rib of the Government Forest Service
Description
  • Scope and content: Photographer: U.S. Dept. of Agriculture
Date 1917 – 1918
institution QS:P195,Q518155
National Archives at College Park - Archives II (College Park, MD)
Record ID
InfoField
This media is available in the holdings of the National Archives and Records Administration, cataloged under the National Archives Identifier (NAID) 17341228.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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  • Record group: Record Group 165: Records of the War Department General and Special Staffs (National Archives Identifier: 494)
  • Series: American Unofficial Collection of World War I Photographs (National Archives Identifier: 533461)
  • File unit: Airplanes - Wings (National Archives Identifier: 17331784)
  • 165-WW-18A-34
Source U.S. National Archives and Records Administration
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: Airplanes - Wings - Forest Products Laboratory for Research Work during the war. Illustrating the development in designing a wing rib for De Haviland airplane. The improved wing rib as designed is 30 per cent lig(...) - NARA - 17341228.jpg
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Licensing

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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Date/TimeThumbnailDimensionsUserComment
current15:08, 11 August 2019Thumbnail for version as of 15:08, 11 August 20192,870 × 3,530 (5.09 MB)Tibet NationFile:Airplanes - Wings - Forest Products Laboratory for Research Work during the war. Illustrating the development in designing a wing rib for De Haviland airplane. The improved wing rib as designed is 30 per cent lig(...) - NARA - 17341228.jpg cropped 47 % horizontally, 2 % vertically, rotated 270° using CropTool with lossless mode.
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Retrieved from "https://en.wikipedia.org/wiki/File:%22Strength_tests_on_DH-4_airplane_wing_ribs_Project-L-225-2%22_from-_Forest_Products_Laboratory_for_Research_Work_during_the_war._Illustrating_the_development_in_designing_a_wing_rib_for_De_Haviland_airplane_-_NARA_-_17341228_(cropped).jpg"