Summary of theories on 'Improved Engine Green' here:
https://www.lbscr.org/Rolling-Stock/Liveries/index.html (scroll down to 1870-1905).
(This post was last modified: 03-08-2024, 12:29 PM by chrisjo.)
https://www.lbscr.org/Rolling-Stock/Liveries/index.html (scroll down to 1870-1905).