File:Wry fly tub wheel.jpg

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DescriptionWry fly tub wheel.jpg	English: Photograph of a tub wheel from "Bow, N.H.", described as being very similar to the descriptions of the "wry fly" patented by Benjamin Tyler in 1800 and 1804, in Safford, Arthur T.; Hamilton, Edward P. (1922), "The American Mixed-Flow Turbine and Its Setting", Transactions of the American Society of Civil Engineers 48:4, p. 790. From page 1173/1464 of the Google Books PDF.
Date	1922
Source	https://books.google.com/books?id=VtIxAQAAIAAJ&vq=wry%20fly&hl=sv&pg=PA790
Author	Arthur T. Safford & Edward P. Hamilton

Public domain	This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
	This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	01:36, 31 December 2014		1,267 × 789 (421 KB)	Visviva (talk \| contribs)	{{Information \|Description ={{en\|1=Photograph of a tub wheel from "[]Bow, N.H.", described as being very similar to the descriptions of the "wry fly" patented by Benjamin Tyler in 1800 and 1804, in Safford, Arthur T.; Hami...

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