Electrostatic sphere on insulated stand
date: label: date made
content: ca 1921
notes: label: Description (Brief)
content: Electrostatic sphere, 4.5" hollow brass sphere mounted on glass post affixed to wooden base. Used to demonstrate that a charge remains on the outer surface and does not penetrate into the interior. Reference: Knott Co. Catalog (1921), page 135.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Dunbar High School, thru Charles Lofton
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.323740
label: accession number
content: 252354
label: catalog number
content: 323740
objectType: label: Object Name
content: Electrostatic Sphere
physicalDescription: label: Measurements
content: overall: 12 in x 6 1/2 in; 30.48 cm x 16.51 cm