Specification (steel mast & derrick) for Benbow (1885)
Handwritten 8 page specification for building and fitting a proposed steel mast and derrick for HMS Benbow (1885), a 16.25 inch gun barbette ironclad battleship.
Stamped on front: 'Thames Iron Works and Shipbuilding Co. Ltd. Orchard Yard, Blackwall' and signed by the overseer J A Yates.
Stamped on front: 'Thames Iron Works and Shipbuilding Co. Ltd. Orchard Yard, Blackwall' and signed by the overseer J A Yates.