X-Ray Tube


Self-regulating cold cathode three electrode glass x-ray tube with duplex gas auto regulation, based on a design developed by C. H. F. Müller in Germany. Inscriptions read “MADE BY / THE FRIEDLANDER CO. / Chicago / U.S. PATENT No. 725331 / German Patent No. 145788 / Canadian Patent No. 85281 / 1121.”

Ref: Theodor Friedlander, “X-Ray Tube,” U.S. Patent 725,331 (April 14, 1903), assigned to R. Friedlander & Co.

Maker: R. Friedlander & Co.

Location: Currently not on view

See more items in: Medicine and Science: Medicine


Exhibition Location:

Credit Line: Albert Soiland Cancer Foundation, Southern California Cancer Center

Data Source: National Museum of American History

Id Number: 1981.0588.01Catalog Number: 1981.0588.01Accession Number: 1981.0588

Object Name: X-Ray Tubetube, x-rayOther Terms: X-Ray Tube; X-Ray Apparatus

Measurements: overall: 23 cm x 42 cm x 18 cm; 9 1/16 in x 16 9/16 in x 7 1/16 in

Guid: http://n2t.net/ark:/65665/ng49ca746b3-c988-704b-e053-15f76fa0b4fa

Record Id: nmah_1143603

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