One afternoon last week in a Manhattan auditorium, 200 members of the American Institute of Electrical Engineering craned forward in their seats. The paper which Dr. Chauncey Guy Suits, young General Electric engineer of Schenectady, was delivering on the nature of electric welding arcs was highly technical, but the accompanying demonstration was spectacular.
Dr. Suits passed a brilliant arc between two electrodes of a welding torch in an atmosphere of hydrogen. This was magnified and projected in color on a frosted glass screen. The engineers saw the images of the electrodes three inches apart, with the broad, vivid flow of the...
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