Dietzgen 1767 National Simplex Slide Rule
date: label: date made
content: 1955-1959
name: label: maker
content: Eugene Dietzgen Company
notes: label: Description
content: In the 1950s, several manufacturers sold inexpensive plastic slide rules for use by students. This one-sided, ten-inch example, sold by the Chicago firm of Dietzgen has K, S, A, D, T, and L scales on the base. B, CI, and C scales are on the slide. The rule has a clear plastic frameless indicator with a hairline and black plastic endpieces. The top right corner of the base is marked: NATIONAL. Both ends of the slide are marked: DIETZGEN (/) NO. 1767. Both ends of the bottom of the base are marked: MADE (/) IN (/) U. S. A. A cream-colored synthetic leather case is marked: R. LAWSE. The rule was received with an instruction manual, 1988.0367.02.
label: Description
content: According to Peter Hopp and Bruce Babcock, Dietzgen manufactured model 1767 from 1955 to 1959. An earlier version of the National, the 1767P, had a different set of scales. It was manufactured from 1941 to 1952 and sold in 1952 for $1.75 or $18.25 for a dozen.
label: Description
content: References: Peter M. Hopp, <i>Slide Rules: Their History, Models, and Makers</i> (Mendham, N.J.: Astragal Press, 1999), 160; Bruce Babcock, "Dietzgen Catalog Matrix," <i>Journal of the Oughtred Society</i> 5, no. 2 (1996), http://sliderulemuseum.com/Manuals/Dietzgen_CatalogMatrix_BruceBabcock1996_chart.jpg.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
topic: label: Subject
content: Mathematics
label: Subject
content: Rule, Calculating
setName: label: See more items in
content: Medicine and Science: Mathematics
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content: Science & Mathematics
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content: Slide Rules
creditLine: label: Credit Line
content: Gift of Robert L. Lawse
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1988.0367.01
label: accession number
content: 1988.0367
label: catalog number
content: 1988.0367.01
objectType: label: Object Name
content: slide rule
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: 1 cm x 12.9 cm x 7.2 cm; 13/32 in x 5 3/32 in x 2 27/32 in