Poster, Railway Executive Committee, All Clear for the Guns on British Railways by Leslie Carr, 1940. Coloured lithograph depicting two trains on parallel tracks. On the left is a passenger train, hauled by a green 4-6-0 locomotive numbered 1401 halted at a signal. At right is a black locomotive, numbered 2127, with a train of artillery pieces. In the centre are two permanent way workers, and a sleeper lying on the ground. Text beneath reads "All clear for the guns on British Railways". Printed by Waterlow and Sons Limited. Backed.