Cornelius Knudsen Drawing Pen


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.

Date Made: ca 1920-1958

Maker: Knudsen, Cornelius

Location: Currently not on view

Place Made: Denmark: Hovedstaden, Copenhagen

Subject: MathematicsDrafting, EngineeringDrawing Instruments


See more items in: Medicine and Science: Mathematics, Pens and Pencils, Science & Mathematics


Exhibition Location:

Credit Line: Transfer from Library of Congress, Exchange and Gift Division

Data Source: National Museum of American History

Id Number: 1985.0909.02Accession Number: 1985.0909Catalog Number: 1985.0909.02

Object Name: pen

Physical Description: aluminum (overall material)german silver (overall material)steel (overall material)Measurements: overall: 1 cm x 15.1 cm x .8 cm; 13/32 in x 5 15/16 in x 5/16 in


Record Id: nmah_1214600

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