Lever frame (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Lever frame" in English language version.

refsWebsite

Global rank English rank

1railmagazine.com

low place

7,750^th place

1southdevonrailwayassociation.org

low place

low place

1books.google.com

3^rd place

3^rd place

books.google.com

Anderson, James (July 1916). "The Principles of Electric Locking". Railway Signaling and Communications. 9 (7). Simmons-Boardman: 209.

railmagazine.com

Stephen, Paul (July 2018). "From the Files: Shrewsbury's Record-Breakers". RailMagazine.com. Retrieved 20 September 2018. This place is fairly unique these days in being double-manned, but with 92 levers to operate it keeps us fairly busy and you soon work through the shoe leather.

southdevonrailwayassociation.org

"South Devon Railway – Railway Signalling". SouthDevonRailwayAssociation.org. South Devon Railway Association. Retrieved 20 September 2018.