Pasadena, California: c. 1930 California Institute of Technology Professors Charles C. Lauritsen and Ralph D. Bennett are at the control board of the world's largest x-ray machine that they developed.

Pasadena, California: c. 1930 California Institute of Technology Professors Charles C. Lauritsen and Ralph D. Bennett are at the control board of the world's largest x-ray machine that they developed.
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DETAILS
Image Number: 1035-20457933Rights ManagedCredit Line:Underwood Photo Archives/SuperStockCollection:Underwood Photo ArchivesModel Release:NoProperty Release:NoResolution:3966×5100
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