Photographs, two albums of silver gelatin prints, captioned. Produced by the Chief Mechanical Engineer's Department. Featuring "A Record of Articles manufactured by the Lancashire & Yorkshire Railway for the Government", 1915 and 1916. Volume I: Green and brown hardback covers, 405 x 305 mm, title printed in gold on front, as above, indexed, 98 prints, 8½ x½ ins, 31pp, condition poor, some pages stuck together. Volume II: Green and brown hardback covers, 405 x 305mm, title printed in gold as above on front cover, indexed, 101 prints, 7¾ x 5½ ins, 32pp, very poor condition.