Special committee on technical informati
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Article
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1948
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Elsevier Science
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English
โ 74 KB
CURRENT TOPICS. [J. F. I. beam. These X-rays are many times more penetrating than those produced by conventional X-ray machines, or by radioactive substances such as radium. Queens University's Prof. J. A. Gray and his collaborators, Dr. H. M. (;ave and Dr. D. T. Roberts, together with other Canad