J0765

Gun carriages for Steamships and Gunboats proposed by Commander Marshall Long Caption: No scale. Plan showing two elevations illustrating the gun carriage braced and at full recoil, using a method proposed for Steamships and Gunboats by Commander J. Marshall. The plan is annotated with an explanation for both elevations. Credit line: © National Maritime Museum, Greenwich, London Object: ZAZ6999 Artist: unknown Date: dated: 4 December 1828 Medium: technical drawing Size: 565 mm x 496 mm Click here to buy a bespoke print of this image.