Janney coupler (English Wikipedia)

"Safety and research" (PDF). Archived from the original (PDF) on 2014-03-10. Retrieved 2013-05-26.
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"Knuckle Couplers". RMI Railworks.

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Inventors: Eli Janney - The Janney Coupler. Railroad Car Couplers / About, Inc

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Buckeye coupler (scroll down)^{[dead link]} Archived September 26, 2006, at the Wayback Machine
"NATIONAL MODEL RAILROAD ASSOCIATION DATA SHEET" (PDF). Archived from the original (PDF) on 2013-08-20. Retrieved 2013-11-15.
"Type E and Type F couplers". Archived from the original on 2013-05-30. Retrieved 2013-05-26.
"Safety and research" (PDF). Archived from the original (PDF) on 2014-03-10. Retrieved 2013-05-26.
"McConway & Torley". Archived from the original on 2015-03-15. Retrieved 2014-07-07.
"Bottom operated". Archived from the original on 2011-12-13. Retrieved 2013-05-22.
"Columbus Castings Couplers and Yokes". Archived from the original on 2013-05-30. Retrieved 2013-05-26.
"Archived copy" (PDF). Archived from the original (PDF) on 2014-03-10. Retrieved 2013-05-26.{{cite web}}: CS1 maint: archived copy as title (link)

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Clark, Charles H. (1972). "The Development of the Semiautomatic Freight-Car Coupler, 1863-1893". Technology and Culture. 13 (2): 207. doi:10.2307/3102610. ISSN 0040-165X. JSTOR 3102610.

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Buckeye coupler (scroll down)^{[dead link]} Archived September 26, 2006, at the Wayback Machine

Janney coupler (English Wikipedia)

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