Modified Black Swan Sloops Programme (1940)
Scale: 1:24. Plan showing the Structural Sections for the modified Black Swan-class Sloops (1940). These were the second batch with an additional foot in the beam and laid down between 1941 and 1942.
Signed by Stanley V. Goodall [Director of Naval Construction, 1936-1944]
Signed by Stanley V. Goodall [Director of Naval Construction, 1936-1944]