Crookes Tube for Cathode Ray Demonstration
notes: label: Description (Brief)
content: Crookes tube for Demonstrating cathode ray independence of positive pole. Marked: "P3B20". Three rod-type anodes, concave cathode. (see card for tube 316-475-1 & 2. Reference Crookes, "On Radiant Matter", pages 12-14, figure 7; also See Cenco catalog. J-300, page 603, #71575 & 71580; Baird & Tatlock, list no. 31, page 227, #2122; Brawn Corp. (L.A.) catalog, No.29 (1929) page 144, #44983.
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.323798
label: catalog number
content: 323798
label: accession number
content: 249200
objectType: label: Object Name
content: discharge tube
label: Object Name
content: Crookes tube
label: Object Name
content: crookes tube
label: Object Name
content: Tube, X-Ray
label: Other Terms
content: Tube, X-Ray; Dentistry
physicalDescription: label: Measurements
content: overall: 13 1/2 in x 4 in; 34.29 cm x 10.16 cm