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Description
Typed caption: Pictured here is one of the earliest cathode ray tube and X-Ray Viewers, of the type used by William Konrad Roentgen, discoverer of the Roentgen Rays. This is only one of the many historically-valuable articles to be included by International Rectifier Corporation in its rare exhibit, "Cavalcade of Electronics," at the I.R.E. Show in New York, March 18 through 21.
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