Dr William D. Coolidge of the General Electric Company, inventor of the Coolidge X-Ray tube, with the newest type of tube and its portable mechanism. Schenectady, New York: July 28, 1923.
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TOP29656348
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達志影像
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1person1920s1923CoolidgeX-RayTubeDirectorOfGeneralElectricResearchLaboratoryExperimentingMechanismNewYorkStatePhysicsSchenectadyScientistSubwayTubeUSAUnitedStatesWilliamDavidCoolidgeX-RayTubehistoricalhistoryinventorlaboratorylandtransportationmalemanmaturemalematuremanonepersonphysicistportablepublictransportationresearchstandingtransportation
11920s1923CoolidgeCoolidgeDavidDirectorElectricExperimentingGeneralLaboratoryMechanismNewOfPhysicsResearchSchenectadyScientistStateStatesSubwayTubeTubeTubeUSAUnitedWilliamX-RayX-RayYorkhistoricalhistoryinventorlaboratorylandmalemalemanmanmaturematureonepersonpersonphysicistportablepublicresearchstandingtransportationtransportationtransportation
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