Grampus (1936)

Scale 1:48. Plan shows the outer hull, superstructure and bridge, as fitted of the Grampus class submarine Grampus (1937). A Chatham Dockyard Manager of Constrictive Department stamp, bearing the signature of J. F. Walker [Manager of Constructive Department at Chatham Dockyard 1930-1946] is printed on the drawing.