Vacuum Donut from Betatron
date: label: Date made
content: early 1940's
name: label: maker
content: Kerst, Donald
setName: label: See more items in
content: Medicine and Science: Modern Physics
creditLine: label: Credit Line
content: University of Illinois, Champaign-Urbana, IL
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.N-08216-A
label: catalog number
content: N-08216-A
label: accession number
content: 233629
objectType: label: Object Name
content: Ceramic Ring, Kerst Betatron
physicalDescription: label: Physical Description
content: ceramic (overall material)
label: Measurements
content: overall: .24 m x .2 m x .04 m; 13/16 ft x 5/8 ft x 1/8 ft