MacAlaster-Wiggin Co. X-ray tube
date: label: date made
content: ca 1913
name: label: maker
content: MacAlaster & Wiggin Co.
notes: label: Description (Brief)
content: Cold cathode glass X-ray tube with heavy anode, tungsten target, and “MACALASTER, WIGGIN CO. / BOSTON / TUNGSTEN” and “Pat'd. Dec. 3, 1912" and “43243” inscriptions. This is a water-cooled, cold cathode x-ray tube with a heavy duty copper target. The tube could be modified to permit cooling of both the cathode and anti-cathode by either forced air or aerosolized water. The tube has as asbestos gas regenerator element. The wire to control the regeneration is tied to the water reservoir.
label: Description (Brief)
content: The referenced patent was issued to Joseph LeRoy Hayden (1881-1952), a laboratory associate and adopted son of the German-American mathematician and engineer, Charles Proteus Steinmetz. Reference: US Patent 1046421, “Process and Apparatus for Producing Chemical Reactions,” issued 3 December 1912 to Joseph L. R. Hayden, assigned to General Electric Co. Also, Robert Knox, "Radiography and Radio-Therapeutics, Part I, 1917.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Columbia University, Department of Physics, thru Alvin P. Tramm
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.323791
label: catalog number
content: 323791
label: accession number
content: 249200
objectType: label: Object Name
content: discharge tube
label: Object Name
content: X-ray tube
label: Object Name
content: x-ray tube
label: Other Terms
content: discharge tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 20 in x 7 in; x 50.8 cm x 17.78 cm