File:Simpson's Balanced 2-Stroke of 1914.jpg

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Simpson's_Balanced_2-Stroke_of_1914.jpg (589 × 352 pixels, file size: 62 KB, MIME type: image/jpeg)

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Description
English: Diagrammatic sketch of the Simpson double acting two stroke-engine.
This early example of an opposed piston engine using a single crankshaft connected to the pistons via levers appeared in The Motor Cycle magazine in August 1914. The article is not clear if Simpson is the name of the company working on it or the type of engine. It was the subject of experimental work at the Eagle Works, Cable Street, Blackburn, UK.
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Original publication: The Motor Cycle (magazine)

Immediate source: https://archive.org/details/motorcycle132lond_
Author Unknown authorUnknown author
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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:Simpson%27s_Balanced_2-Stroke_of_1914.jpg

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The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
2014-05-02 10:09 589×352× (63559 bytes) Oldnoccer Uploading an old public-domain work using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]]

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Date/TimeThumbnailDimensionsUserComment
current18:30, 26 August 2014Thumbnail for version as of 18:30, 26 August 2014589 × 352 (62 KB)Kopiersperre (talk | contribs)Transferred from en.wikipedia

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