Production Years:1953 to 1954
"Business in Motion: Films of Current Interest," Canadian Business 27 (January 1954): 62.
"Sulphur is a basic material important to many industries - and as a commodity in which Canada is striving to become self-sufficient. The Stone that Burns outlines Canada's need for sulphur and the significant processes developed to meet that need. Canadian chemists are shown engaged on research which led to the recovery of sulphur from smeltre fumes, and shows the important part that this chemical plays in our daily lives."