File:Not peppermint candy but an airplane strut. Washington, D.C., May 3. This piece of aluminum alloy which is used in airplane construction is shown after being in the torque machine. The LCCN2016871631.jpg
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DescriptionNot peppermint candy but an airplane strut. Washington, D.C., May 3. This piece of aluminum alloy which is used in airplane construction is shown after being in the torque machine. The LCCN2016871631.jpg |
English: Title: Not peppermint candy but an airplane strut. Washington, D.C., May 3. This piece of aluminum alloy which is used in airplane construction is shown after being in the torque machine. The pieces to be tested are locked in the vise and twisted until they break. This piece when started the lines on the pipe were parallel and ran the length of t he pipe. After coming out of the machine the lines are like a corkscrew, before the breakig point is reached. A.E. McPhereson is applying the pressure, 5/3/1937
Abstract/medium: 1 negative : glass ; 4 x 5 in. or smaller |
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Source |
Library of Congress
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Author | Harris & Ewing, photographer | ||
Permission (Reusing this file) |
No known restrictions on publication. For more information, see Harris & Ewing Photographs - Rights and Restrictions Information https://www.loc.gov/rr/print/res/140_harr.html
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Collection InfoField | Harris & Ewing Collection | ||
Notes InfoField |
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Part of InfoField | harris & ewing collection · prints and photographs division | ||
Subject InfoField | united states · district of columbia · washington (d.c.) · glass negatives | ||
Location InfoField | district of columbia | ||
Place InfoField | District of Columbia--Washington (D.C.) | ||
Genre InfoField | Glass negatives |
Licensing[edit]
Public domainPublic domainfalsefalse |
This work is from the Harris & Ewing collection at the Library of Congress. According to the library, there are no known copyright restrictions on the use of this work. |
Public domainPublic domainfalsefalse |
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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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:52, 8 September 2018 | 10,012 × 7,917 (8.22 MB) | Fæ (talk | contribs) | LOC upscale 1,024 × 810 → 10,012 × 7,917 | |
13:31, 15 March 2018 | 1,024 × 810 (116 KB) | Fæ (talk | contribs) | Library of Congress Harris & Ewing Collection 1937 LCCN 2016871631 jpg # 18,725 / 41,540 |
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