Slide Rule Components, Indicator Glasses for Keuffel & Esser Slide Rules
name: label: maker
content: Keuffel & Esser Co.
notes: label: Description
content: Keuffel & Esser Company, which had its headquarters in New York City, was a leading American maufacturer of slide rules and drawing instruments. Between 1961 and 1971, the company gave the Smithsonian a variety of slide rule parts, including these glasses for slide rule indicators.
label: Description
content: Each glass rectangle is in a brown paper envelope. A mark on each envelope reads: INDICATOR GLASS NO. 4 (/) FOR SLIDE RULE. . . There follows a list of sixteen models of Keufel & Esser slide rule for which the glass could be used, should the original break.
label: Location
content: Currently not on view
place: label: place made
content: United States: New Jersey, Hoboken
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Slide Rules
creditLine: label: Credit Line
content: Gift of Keuffel & Esser Company
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1983.3008.01
label: nonaccession number
content: 1983.3008
label: catalog number
content: 1983.3008.01
objectType: label: Object Name
content: calculating rule components, group of
physicalDescription: label: Measurements
content: overall: .3 cm x 7 cm x 4.5 cm; 1/8 in x 2 3/4 in x 1 25/32 in