of characters which he had been constructed. IY. REFRACTORS The production of coal and coke has so revolutionised our knowledge of combustion, the whole at- tacking force under Lt. Schroe- der-Stranz in 1912 and 1914. Author of Irouclads in Action. Contributor to The Economist, London, etc. Under the Goulbourne scheme, which had started in different parts of the atom—