J0767

Elevation and depression angles for guns Long Caption: Scale: 1:24. Plan showing the elevations for a 6.5 ton, 9 ton, and 12 ton guns, illustrating their elevation and depression angles through gun ports. Has accompanying note relating to a request for breadth of ports and the training of guns. Credit line: © National Maritime Museum, Greenwich, London Object: ZAZ7015 Artist: unknown Date: dated: May 1867 Medium: technical drawing Size: 480 mm x 541 mm Click here to buy a bespoke print of this image.