medical illustration, gouache, watercolour drawing, diagram of Russell Brock's (Lord Brock) pulmonary valvulutome in use, by S.T., British, 1950 Diagram of Brock's pulmonary valvulutome in use, 1950 1950
Water colour drawing of H.M.S. "Marlborough" / Charles Lewis Pickering, 1856. 68x224cm. HMS Marlborough