File:Ahrons (1921) Steam Locomotive Construction and Maintenance Fig21.jpg

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Description Double Boring Machine for Cylinders.
Date
Source Original: Steam Locomotive Construction and Maintenance p. 51, Fig. 21.
Scan: Internet Archive – https://archive.org/details/steamlocomotivec00ahrorich
Author E. L. Ahrons
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Public domain

The author died in 1925, 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 95 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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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 70 years or fewer.

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 Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).
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Date/TimeThumbnailDimensionsUserComment
current22:16, 21 October 2015Thumbnail for version as of 22:16, 21 October 20152,472 × 1,761 (1.53 MB)M0tty (talk | contribs)remove regular noise using FFT
11:58, 20 July 2010Thumbnail for version as of 11:58, 20 July 20102,472 × 1,761 (420 KB)Iain Bell (talk | contribs){{Information |Description= Double Boring Machine for Cylinders. |Source=''Original:'' Steam Locomotive Construction and Maintenance p. 51, Fig. 21.<br>''Scan:'' Internet Archive – http://www.archive.org/details/steamlocomotivec00ahrorich |Date=1921 |Au

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