'Day in, Day out .. Night in, Night Out', BR poster, c 1940s.

Day in, Day out .. Night in, Night Out. British Railways operate 20,000 British built locomotives in the service of Nation and Public', BR poster, c 1940s. Poster produced for British Railways (BR) to promote their work for the nation during the war, and showing train wheel with text below. Printed by Staffords, Netherfield.