Faber-Castell 111/54 Linear Slide Rule
date: label: date made
content: ca 1965
notes: label: Description
content: This white plastic German slide rule has a clear plastic cursor. Scales 25 cm. long are on the front of the base of the rule and on both sides of the slide. The slides on the rule are K, A, B, P, S, and T. Those on the slide are B, BI, CI and C on the front and LL1, LL2, and LL3 on the back. The beveled top edge has a scale of equal parts divided to tenths of a centimeter, 27 centimeters long. The front of the instrument has an L scale. The back has a set of tables of use in mathematics, mechanics, and electronics.
label: Description
content: The scale fits in a plastic case that is transparent on top and green on the bottom. Also included is a manual by Faber-Castell entitled "Anleitung Castell Praezisions-Rechenstaebe fuer Maschinen und Elektro-Ingenieure." This manual describes the Castell models 1/54, 4/54, 67/54 b, 67/54 R, 111/54, and 111/54 A. The only three of these with scales 25 cm. long are the 1/54, the 111/54, and the 111/54 A. None of the rules described in the booklet has a BI scale.
label: Location
content: Currently not on view
place: label: place made
content: Germany
topic: label: Subject
content: Mathematics
label: Subject
content: Rule, Calculating
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Science & Mathematics
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content: Slide Rules
creditLine: label: Credit Line
content: Gift of Laszlo Kutor
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2014.0136.02
label: accession number
content: 2014.0136
label: catalog number
content: 2014.0136.02
objectType: label: Object Name
content: slide rule
physicalDescription: label: Physical Description
content: plastic (rule, slide, runner, case material)
label: Physical Description
content: paper (documentation material)
label: Measurements
content: overall: 2.6 cm x 31 cm x 7.1 cm; 1 1/32 in x 12 7/32 in x 2 25/32 in