Cornelius Knudsen Drawing Pen

Description:

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

Subject:

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

Exhibition:

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

Guid: http://n2t.net/ark:/65665/ng49ca746a9-ab37-704b-e053-15f76fa0b4fa

Record Id: nmah_1214600

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.