Edmund Vernon Slide Rule and Tie Clasp
date: label: date made
content: ca 1965
label: date received
content: 1996
name: label: distributor
content: Edmund Scientific Company
notes: label: Description
content: This small, one-sided sterling silver slide rule is in the form of a tie clip. It has A and D scales on the base and a C scale on the slide. A clear plastic indicator has a red line and is in a metal frame. The back of the clasp is marked: VERNON. It is also marked: STERLING.
label: Description
content: The donor recalled that he obtained this tie clasp from Edmund Scientific Company. The 1965 catalog of the company lists a tie clasp with a "silver oxide" finish that cost $2.00. The 1971 catalog lists a tie clasp with a gold finish that cost $3.00. However, these tie clips had screws in each corner, while this example has no screws.
label: Description
content: References: Edmund Scientific Company, <i>Catalog 661</i> (Barrington, N.J., 1965), 44; Edmund Scientific Company, <i>Catalog 721</i> (Barrington, N.J., 1971), 59; Dieter von Jezierski, "Slide Rule Tie Bars," <i>Journal of the Oughtred Society</i> 16, no. 1 (2007): 33–35.
label: Location
content: Currently not on view
place: label: place distributed
content: United States: New Jersey, Barrington
topic: label: Subject
content: Mathematics
label: Subject
content: Rule, Calculating
label: Subject
content: Jewelry
label: Subject
content: Novelty
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Science & Mathematics
label: See more items in
content: Slide Rules
creditLine: label: Credit Line
content: Gift of George A. Norton
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1996.0221.01
label: catalog number
content: 1996.0221.01
label: accession number
content: 1996.0221
objectType: label: Object Name
content: calculating rule / tie clasp
label: Object Name
content: slide rule / tie clasp
physicalDescription: label: Physical Description
content: sterling silver (overall material)
label: Physical Description
content: plastic (cursor material)
label: Measurements
content: overall: 1.4 cm x 5.2 cm x 1.2 cm; 9/16 in x 2 1/16 in x 15/32 in