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File:Janney coupler drawing.png

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Description
English: Diagram of Janney coupler
Date
Source U.S. Patent 138,405
Author Eli H. Janney
Permission
(Reusing this file)
Public domain
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
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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inception

1 April 1873Gregorian

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Date/TimeThumbnailDimensionsUserComment
current21:13, 27 September 2015Thumbnail for version as of 21:13, 27 September 20151,450 × 754 (14 KB)Mikhail Ryazanov{{Information |Description = {{en|1= Diagram of a knuckle Janney coupler }} |Source = {{US patent|138,405}} |Date = 1873-04-01 |Author = Eli H. Jaiwey |Permission = {{PD-US}} |other_versions= }} Category:Knuckle coupler

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