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
2 diagrams of Russell Brock's (Lord Brock) pulmonary valvulutome in use, and an infundibular resector in use by S.T., British, 1950 (see stroke records) 2 diagrams of Russell Brock's (Lord Brock) pulmonary valvulutome in use