The museum is open Fridays through Tuesdays 11 a.m. to 4 p.m. Free timed-entry passes are required. Review our latest visitor safety guidelines.

Vemco D-171 Pocket Architect's Scale

Vemco D-171 Pocket Architect's Scale

<< >>
Usage conditions apply
Downloads
Description
This six-inch metal rule has a white coating. One side has scales dividing the inch into 40 parts, numbered in both directions by twos from 0 to 40, and into 10 parts, numbered in both directions by ones from 0 to 6. This side is marked: VEMCO PASADENA, CALIF. D-171. The other side has scales dividing the inch into 50 parts, numbered in both directions by twos from 0 to 30, and into 30 parts, numbered in both directions by twos from 0 to 18. A tan suede sleeve has a round white sticker marked: 8-63 (/) $2.45 (/) Four-Bevel.
Francis E. Vaughan and Floyd Eubanks founded V & E Manufacturing, or Vemco Corporation, in Pasadena, Calif., in 1939 to make high-quality drafting instruments. Eubanks patented eight drafting machines and drawing instruments in the early 1940s.
Reference: Vemco Drafting Products Corporation, http://www.vemcocorp.com/.
Location
Currently not on view
Object Name
rule
scale rule
date made
ca 1963
maker
Vemco Corporation
place made
United States: California, Pasadena
Physical Description
suede (overall material)
metal (overall material)
Measurements
overall:.3 cm x 28.3 cm x 3.8 cm; 1/8 in x 11 5/32 in x 1 1/2 in
ID Number
1990.0689.02
accession number
1990.0689
catalog number
1990.0689.02
Credit Line
Gift of George A. Norton
subject
Mathematics
Drafting, Engineering
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Scale Rules
Data Source
National Museum of American History
Nominate this object for photography.   

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.

Comments

Add a comment about this object