INDIA, Kolar Gold Field Mining and Metallurgical Society, a silver award medal, named (E. de St. Q. Isaacson, 1954…work done in connection with Oorgum Experimental Fire Tunnel); together with other miscellaneous medals (8, some in silver) [9]. Very fine and better £60-80

E. de St Q. Isaacson, author of textbooks on engineering and physics