110 x 164mm. Hardback. Very good condition with no marks or inscriptions. Stain on one double-page - see photos. Dust jacket Good/VG with one small tear on bottom edge. 1973 Reprint of the 1948 Ian Allan combined volume, including 1950 Locoshed Directory. Records locomotive fleets as first nationalised under BR. Includes B&W photographs, though printing is somewhat muddy.
