These cookies are absolutely essential for our website to function properly.
We use Google Analytics to measure how you use the website so we can improve it based on user needs.
These cookies may be set by third party websites and do things like measure how you view YouTube videos.
Red covered booklet with black print. Full title - Great Western Railway, Regulations for Train Signalling on Double and Single Lines (to come into operation on August 1st, 1936.) 92 pages.
