Word: aluminum
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Dates: during 1910-1919
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...present rate of growth of purely chemical industries in America promises well for the future. In particular the cheap production of electrical energy at Niagara Falls has made possible the founding of a large group of electro-chemical processes, in which such substances as caustic soda, chlorine, aluminum, carborundum and graphite are produced in large quantities...
This system uses an are instead of the customary spark for transmitting the sound, the are being formed between aluminum and copper electrodes in pure hydrogen. With this method Professors Chaffee and Pierce have been able to send to Gloucester, a distance of 35 miles, and hope to do even better in the near future...
...Physical Colloquium. "The Ionisation of Gases by Light and the Spark Spectrum of Aluminum," by Professor Lyman, in Jefferson Physical Laboratory, room...