A generation ago, the Test Tube was the symbol of Science. Present now is the era of the Vacuum Tube. While tubes with everything imaginable in them are still used in laboratory research, tubes with nothing in them are used in radio as amplifiers, in medicine as a source of X-rays, in the laboratory to photograph molecules, as guns to bombard and break down atoms. Last week new tube developments were reported:
Millikan Tube. Members of the Radiological Society of North America meeting in Pasadena gave Dr. Robert Andrews Millikan, chairman of California Institute...
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