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File:PRR rail section drawing.jpg

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Description
English: Cross-Section of Standard Rail, one hundred pounds to the yard, as used on the Pennsylvania Railroad in the 1890s.
Date
Source Willson, Frederick Newton (1898) "Appendix page III" in Practical engineering drawing and third angle projection (PDF), New York, London: Macmillan & Co.
Author Willson, Frederick Newton (1855-1939)
Other versions A lossless (PNG format) and full scale (1800 x 1800 px) version from the original PDF source is now available as File:PRR rail section drawing.png. It is recommended to use the other file.

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Public domain

The author died in 1939, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 80 years or fewer.

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.

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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Date/TimeThumbnailDimensionsUserComment
current15:04, 11 February 2012Thumbnail for version as of 15:04, 11 February 2012844 × 976 (132 KB)Oaktree b (talk | contribs){{Information |Description= |Source= |Date= |Author= |Permission= |other_versions= }}
14:48, 11 February 2012Thumbnail for version as of 14:48, 11 February 2012444 × 456 (29 KB)Oaktree b (talk | contribs){{Information |Description=Technical drawing showing cross-section of 100lb/yard rail used on the Pennsylvania Railroad in the 1890's. Measurements in inches. |Source=Practical engineering drawing and third angle projection, for students in scientific, te

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