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Description
English: Completed Arch, I-Beam Centers and Top of Center Core. vol XLII no 11 page 329
Date
Source Railway Gazette
Author uncredited staff writer(s), photographer(s), and illustrator(s)

Licensing

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:Completed_Arch,_I-Beam_Centers_and_Top_of_Center_Core.png

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15 March 1907Gregorian

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current07:25, 19 May 2018Thumbnail for version as of 07:25, 19 May 20181,156 × 866 (484 KB)Mliu92User created page with UploadWizard

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