File:Railroad coupler diagram.jpg

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Description

English: Diagram of a knuckle coupler designed by Eli H. Janney.

Date

Source

Originally uploaded to en:Wikipedia ( log) in March 2005 by Slambo ( talk).

Author

Image from the application for U.S. Patent 138,405, filed April 1, 1873.

Permission
( Reusing this file)

	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, 1923. See this page for further explanation.
	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.

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Railway coupling

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