Sprague’s Logic Symbols for Use with Unicircuit Integrated Circuits
date: label: date made
content: ca 1964
name: label: maker
content: Sprague
notes: label: Description
content: This rectangular yellow translucent plastic flowcharting template has a rule six inches long divided to thirty-seconds of an inch along the top edge, and a rule ten centimeters long divided to millimeters along the bottom edge. Twenty-one holes represent flowcharting symbols. A mark along the top reads: LOGIC SYMBOLS for use with UNICIRCUIT INTEGRATED CIRCUITS. A mark at the lower left reads: ASP 376. A mark next to this one reads: SPRAGUE (/) THE MARK OF RELIABILITY.
label: Description
content: The trademark UNICIRCUIT was first used in commerce by Sprague Electric Company Corporation of North Adams, Massachusetts, in December 1962 and granted December 31, 1963. The mark on the object indicates that the trademark had been registered. The holes on the template are only partially those proposed by subcommittee S3.6 of the American Standards Association and released in 1965.
label: Description
content: The donor, Philip Krupen (1915–2001), was a physicist who graduated B.S. from Brooklyn College in 1935, worked on the development of the proximity fuse during and after World War II, earned a master's degree in physics from George Washington University, and spent a total of thirty-eight years working for the U.S. government before he retired in 1973.
label: Description
content: This template is similar but not identical to one shown in the catalogue for RapiDesign, Incorporated, of Burbank, California in 1963. It had their model number 541.
label: Description
content: References:
label: Description
content: TESS, U.S. Patent and Trademark Office, Trademark Registration 0762224.
label: Description
content: Accession File.
label: Description
content: Robert J. Rossheim, “Report on Proposed American Flowchart Symbols for Information Processing,” <I>Communications of the ACM</I>, vol. 6 #10, October, 1963, pp. 599-604.
label: Description
content: RapiDesign, Inc., <I>Drafting Templates Catalogue No. 70</I>, Burbank, California, 1963, p. 16.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Flowcharting Templates
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Philip Krupen
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1986.0790.08
label: accession number
content: 1986.0790
label: catalog number
content: 1986.0790.08
objectType: label: Object Name
content: logic template
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: .1 cm x 16 cm x 9 cm; 1/32 in x 6 5/16 in x 3 17/32 in