It’s in very good clean condition when you think it’s now 75 years old.
Extracts from Rule Book British Railways 1950 Booklet 1st January 1950
Extracts from Rule Book British Railways 1950 Booklet
London & North Eastern Railway - Extracts From Rule Book 1933
SR Extracts From Rule Book Instructions Applicable To Electrified Lines 1938 VGC
LNER Extracts from Rule Book Pamphlet 1933