barth machinist's slide rule
date: label: date made
content: ca 1920
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Mechanical and Civil Engineering
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1980.0184.01
label: accession number
content: 1980.0184
label: catalog number
content: 1980.0184.01
objectType: label: Object Name
content: Slide-Rule
label: Object Name
content: Barth Machinist's Slide Rule
physicalDescription: label: Measurements
content: overall: 5/8 in x 11 3/8 in x 3 1/8 in; 1.5875 cm x 28.8925 cm x 7.9375 cm