Canal Ray Tube / Discharge Tube
notes: label: Description (Brief)
content: The cathode rays passing through the aperture may be bent by an electromagnet. Made of clear glass, unmarked. Long glass tube with cylindrical bulb one end. Tube has two terminals, cathode plate and sealed exhausting tube at one end, midway is a metal cylinder with one closed end having an aperture. Bulb end has a disk target approximately the full inside diameter.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Wellesley College
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1981.0043.03
label: catalog number
content: 1981.0043.03
label: accession number
content: 1981.0043
objectType: label: Object Name
content: cathode ray tube
physicalDescription: label: Measurements
content: overall: 67.3 cm x 10 cm; 26 1/2 in x 3 15/16 in