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File:Emory Rice back-acting engine diagram - detail.jpg

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Emory_Rice_back-acting_engine_diagram_-_detail.jpg (794 × 410 pixels, file size: 57 KB, MIME type: image/jpeg)

Summary

Description
English: Diagram of the back-acting engine of the steamship Emory Rice (formerly the gunboat USS Ranger (1873)), showing details of the crankshaft connection mechanism. The engine of the Emory Rice is the only known back-acting engine still in existence.

Diagram legend is as follows: 1 - engine cylinder; 2 - piston; 3 and 3 - two piston rods, the upper and far one passing over the crankshaft and the lower and near one passing beneath, with the crank turning between the rods; 4 - crosshead guide; 5 - connecting rod; 6 - crankshaft; 7 - steam inlet (not shown); 8 - crankpin; 9 - wristpin; 10 - crosshead.
Date
Source Detail of image from Emory Rice T. V. Engine (1873), American Society of Mechanical Engineers website. The ASME image is itself a derivative work from The Marine Steam Engine, Sennett and Oram, London 1915.
Author Unknown authorUnknown author
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This UK artistic or literary work, of which the author is unknown and cannot be ascertained by reasonable enquiry, is in the public domain because it is one of the following:
  • A photograph, which has never previously been made available to the public (e.g. by publication or display at an exhibition) and which was taken more than 70 years ago (before 1 January 1954); or
  • A photograph, which was made available to the public (e.g. by publication or display at an exhibition) more than 70 years ago (before 1 January 1954); or
  • An artistic work other than a photograph (e.g. a painting), or a literary work, which was made available to the public (e.g. by publication or display at an exhibition) more than 70 years ago (before 1 January 1954).

Warning sign This tag can be used only when the author cannot be ascertained by reasonable enquiry. If you wish to rely on it, please specify in the image description the research you have carried out to find who the author was. The above is all subject to any overriding publication right which may exist. In practice, publication right will often override the first of the bullet points listed.

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Date/TimeThumbnailDimensionsUserComment
current08:51, 28 December 2009Thumbnail for version as of 08:51, 28 December 2009794 × 410 (57 KB)Gatoclass{{Information |Description={{en|1=Diagram of the back-acting engine of the steamship ''Emory Rice'' (formerly the gunboat USS ''Ranger'' (1873)), showing details of the crankshaft connection mechanism. }} |Source=Detail of image from [http://files.asme.or

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