File:Ashtabula Bridge struts - MacDonald.jpg

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Original file ‎(2,251 × 1,151 pixels, file size: 317 KB, MIME type: image/jpeg)

Captions

Captions

Redrawing of the lateral struts, angle block, bracing, and chord of the Ashtabula Bridge, per Charles MacDonald

Summary

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Description
English: Lateral struts, angle block, bracing, and chord of the Ashtabula Bridge in Ashtabula, Ohio, that failed on December 29, 1876. The original drawing was by civil engineer Charles MacDonald, who examined the bridge wreckage in late January 1877. Redrawn by Tim Evanson.
Date
Source https://books.google.com/books?id=6BP3wFiEuicC&newbks=1&newbks_redir=0&dq=%22Charles%20MacDonald%22%20Ashtabula&pg=PA352#v=onepage&q&f=false
Author Charles MacDonald, "The Failure of the Ashtabula Bridge", Engineering, May 4, 1877, p. 352

Licensing

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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Ashtabula_Bridge_struts_-_MacDonald.jpg

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current01:11, 20 March 2020Thumbnail for version as of 01:11, 20 March 20202,251 × 1,151 (317 KB)Tim1965 (talk | contribs)Uploaded a work by Charles MacDonald, "The Failure of the Ashtabula Bridge", ''Engineering'', May 4, 1877, p. 352 from https://books.google.com/books?id=6BP3wFiEuicC&newbks=1&newbks_redir=0&dq=%22Charles%20MacDonald%22%20Ashtabula&pg=PA352#v=onepage&q&f=false with UploadWizard

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