Practical scientists who were able to attend the winter meeting of the American Institute of Electrical Engineers at Manhattan last week edged forward on their seats when rumpled-haired Dr. William David Coolidge began to explain his further experiments with cathode rays. Dr. Coolidge, assistant director of the General Electric Co.'s research laboratories, had just received the Institute's Edison Medal for his "contributions to the incandescent electric lighting and x-ray arts" by his development of ductile tungsten for bulb filaments and x-ray targets. At the same ceremony John Joseph Carty of the American...
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