Cridlan and Kirsch


1902 John L. Cridlan published a student's paper entitled "Automatic Coupling"; these devices which would safeguard the men engaged in shunting on the railways by the substitution of an improved method of coupling[1].
See Also
Sources of Information
- ↑ Minutes of the Proceedings of the Institution of Civil Engineers, Volume 147, Issue 1902, January 1902 pp.377–386