Science: For Lightning, For Generators

Electrical-equipment manufacturers employ laboratory researchers, for the good reason that they want to find better ways of producing power, better ways of protecting power on transmission lines. One of the perennial problems of research laboratories is frictional heat in the generators. Another is the major menace to transmission lines—lightning.

» In Pittsburgh last week the Westinghouse laboratories announced a new type of lightning recorder. Called a "fulchronograph," it gives a complete picture of a lightning stroke's intensity, from start to finish. Essential feature is a wheel with 400 iron fins on its rim,...

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