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LMS 10000 was officially presented to the press at Derby Works in December 1947, having had its maiden run in
November 1947, after several weeks of proving trials entered service on the Midland route in February 1948. 10000 was
outshopped only two months before nationalisation, and when 10001 appeared in July 1948 it had British Railways livery.
inspiring when used on heavily loaded or express services.
between them and the SR's 10201, 10202 & 10203 and remained there until spring 1955. They (and the SR locomotives)
were sent to Derby where they were overhauled and received green livery and then ran side by side on London Midland
Trials of both types proved interesting, with the Southern Railway locomotives developing into the English Electric Type 4
design for British Railways (later British Rail Class 40).