File:Bending huge steel girders. Washington, D.C., Sept. 23. At the U.S. Bureau of Standards officials were witnessing the testing of rigid steel frame knees that are used in grade eliminations LCCN2016872382.jpg
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Summary
[edit]DescriptionBending huge steel girders. Washington, D.C., Sept. 23. At the U.S. Bureau of Standards officials were witnessing the testing of rigid steel frame knees that are used in grade eliminations LCCN2016872382.jpg |
English: Title: Bending huge steel girders. Washington, D.C., Sept. 23. At the U.S. Bureau of Standards officials were witnessing the testing of rigid steel frame knees that are used in grade eliminations such as over-passes, under-passes, bridges, etc. This photo shows the girder or knee placed into the huge 600,000 lb. testing machine in preparation for the test. This welded rigid steel frame knee which was designed to withstand 50,000 pounds had a maximum load of 153,600 lbs placed on it before it buckled.
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. العربية ∙ беларуская (тарашкевіца) ∙ čeština ∙ Deutsch ∙ Ελληνικά ∙ English ∙ español ∙ français ∙ Bahasa Indonesia ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ Nederlands ∙ português ∙ русский ∙ sicilianu ∙ slovenščina ∙ ไทย ∙ Tiếng Việt ∙ 中文(简体) ∙ 中文(繁體) ∙ +/− |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 09:44, 16 March 2018 | 817 × 1,024 (163 KB) | Fæ (talk | contribs) | Library of Congress Harris & Ewing Collection 1937 LCCN 2016872382 jpg # 19,476 / 41,540 |
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