Crookes Phosphorescence Tube
notes: label: Description (Brief)
content: Crookes Phosphorescence Tube, pear shaped tube on brown wooden stand, marked: "P2B6" and "Germany". Large circular cathode causes phosphorescence in large glass end. External magnet will deflect phosphorescent patch. Structure essentially identical to tube 323679, but is slightly smaller. Structure of tube is similar to that of the tube Rontgen used when he discovered x-rays.
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.323674
label: catalog number
content: 323674
label: accession number
content: 249200
objectType: label: Object Name
content: discharge tube
label: Object Name
content: Crookes tube
label: Object Name
content: crookes tube
physicalDescription: label: Measurements
content: overall: 8 1/4 in x 10 1/2 in x 4 in; 20.955 cm x 26.67 cm x 10.16 cm