Cornelius Knudsen Drawing Pen
date: label: date made
content: ca 1920-1958
name: label: maker
content: Knudsen, Cornelius
notes: label: Description
content: This 6" aluminum, German silver, and steel drawing pen is marked: CORN.KNUDSEN. Trademarks of two superimposed dividers are on either side of the mark. In 1838 Cornelius Knudsen founded a firm in Copenhagen, Denmark, that made optical, navigational, and surveying instruments, planimeters, and equipment for telegraphy into the 1930s. This object was received and is stored with a set of drawing instruments, 1985.0909.01. It was owned by Harald Trap Friis (1893–1976), a Danish emigrant who became a prominent radio engineer for Bell Labs.
label: Location
content: Currently not on view
place: label: place made
content: Denmark: Hovedstaden, Copenhagen
topic: label: Subject
content: Mathematics
label: Subject
content: Drafting, Engineering
label: Subject
content: Drawing Instruments
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Pens and Pencils
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content: Science & Mathematics
creditLine: label: Credit Line
content: Transfer from Library of Congress, Exchange and Gift Division
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1985.0909.02
label: accession number
content: 1985.0909
label: catalog number
content: 1985.0909.02
objectType: label: Object Name
content: pen
physicalDescription: label: Physical Description
content: aluminum (overall material)
label: Physical Description
content: german silver (overall material)
label: Physical Description
content: steel (overall material)
label: Measurements
content: overall: 1 cm x 15.1 cm x .8 cm; 13/32 in x 5 15/16 in x 5/16 in