Holophane “Calucux” Illumination Levels Indicator
date: label: date made
content: 1947
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 Robert E. Levin
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2011.0063.02
label: accession number
content: 2011.0063
label: catalog number
content: 2011.0063.02
objectType: label: Object Name
content: slide rule
physicalDescription: label: Measurements
content: overall: 6 1/2 in x 6 3/8 in x 1/8 in; 16.51 cm x 16.1925 cm x .3175 cm