File:'74 GM Rotary engine.jpg

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Original file ‎(930 × 578 pixels, file size: 266 KB, MIME type: image/jpeg)

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Summary

Description
English: 1974 GM Rotary engine
Date
Source GM Society of Engineers (SAE) Convention photo
Author General Motors

Licensing

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.

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Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2010-10-08 05:28 Vegavairbob 930×578× (271896 bytes) {{Information |Description = 1974 GM Rotary engine |Source = GM Society of Engineers (SAE) Convention photo |Date = July 1972 |Author = General Motors |other_versions = }} {{PD-pre1978}}

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inception

January 1972

media type

image/jpeg

checksum

43a6cf2320b6fab58654553201ba546fa804b7d7

determination method: SHA-1

data size

271,896 byte

height

578 pixel

width

930 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current01:58, 12 November 2010Thumbnail for version as of 01:58, 12 November 2010930 × 578 (266 KB)wikimediacommons>Addihockey10{{Information |Description={{en|1974 GM Rotary engine}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia]<br/> (Original text : ''GM Society of Engineers (SAE) Convention photo'') |Date=January 1972<br/> ({{Date|2010|10|08}} (original upload

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