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318 Willson, an American. Willson's discovery of calcium carbide, however, antedated Moissan's announcement by about six months.

At Niagara Falls are also to be found an immense paper mill which produces annually thousands of tons of newspaper made from

spruce logs reduced to the proper consistency by the mechanical and the chemical or sulphite process, a plant where lead is economically separated from its ore by electrolysis, a laboratory where vanilla and other natural extracts are successfully prepared by synthetic chemistry, and furnaces where bauxite is crystallized into an extremely hard substance for abrasive purposes.

From the foregoing survey of some of the industrial enterprises at

Niagara Falls it is evident that that region is a very important electric and electrochemical center and that it is destined to increase in importance with every new discovery in the electrochemical art.