electrodes, Focusing, Electrostatic Lens
date: label: date made
content: 1952
setName: label: See more items in
content: Medicine and Science: Modern Physics
creditLine: label: Credit Line
content: University of Southern California
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1978.1073.01.5.2
label: accession number
content: 1978.1073
label: catalog number
content: 1978.1073.01.5.2
objectType: label: Object Name
content: electrodes, Focusing, Electrostatic Lens
physicalDescription: label: Physical Description
content: copper (overall material)
label: Measurements
content: overall: 9 5/8 in x 2 1/4 in; 24.4475 cm x 5.715 cm
label: Measurements
content: small aperture diam.: 3/4 in; 1.905 cm
label: Measurements
content: electrodes length: 7 11/16 in; 19.52625 cm