#549 discharge tube
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from International Business Machines, Inc., William J. Hammer Collection
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320420
label: catalog number
content: 320420
label: accession number
content: 241402
objectType: label: Object Name
content: crookes tube
physicalDescription: label: Measurements
content: overall: 1 1/4 in x 3 in x 7 1/4 in; 3.175 cm x 7.62 cm x 18.415 cm