Original linen-backed patent lithographs for Andrew Noble's system of mounting guns on turrets, seven pages, 14.25 x 10, October 25, 1888. The detailed diagrams show the turret system from several angles, as well as its proposed operation by soldiers. The top borders read: "A.D. 1888. Oct. 25. No. 15,396. Noble's Complete Specification." The lower borders feature the printed text: "London. Printed by Darling and Son Ltd. for Her Majesty's Stationery Office. 1889" and "Malby & Sons, Photo-Litho." The right borders read: "This Drawing is a reproduction of the Original on a reduced scale." In fine condition.
