Crookes Phosphorescent tube
notes: label: Description (Brief)
content: Marked: "P1B5". Pear-shaped tube with flat, circular cathode and rod-type anode. External loops connect to power source. Cathode normally produces phosphorescent patch in top of glass bulb, but magnet can deflect it to various positions.
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.323683
label: catalog number
content: 323683
label: accession number
content: 249200
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: Crookes tube
label: Object Name
content: crookes tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 8 1/2 in x 3 in; 21.59 cm x 7.62 cm