Object Details
maker
Keuffel & Esser Co.
Description
This 12" boxwood rule is beveled along both long edges and faced with white celluloid. One edge is divided to 1/16" and numbered by ones from 0 to 12. The other edge is on the back of the rule and is divided to 1/32", numbered by ones from 0 to 12. The front of the rule is marked: KEUFFEL & ESSER Co (/) N.Y. It is also marked: PARAGON. It also has K&E's eagle logo with the mark: TRADEMARK. It is also marked: RHW.
Keuffel & Esser added model 1453 to its Paragon line in 1936, when the model number was 1453PR and the price was $1.85. The model number was still 1453PR by 1954. According to the donor, the instrument was used by her husband, the electrical engineer Robert H. Wieler (1923–1993).
References: Catalogue and Price List of Keuffel & Esser Co., 38th ed. (New York, 1936), 214; Catalogue and Price List of Keuffel & Esser Co., 42nd ed. (New York, 1954), 184.
Location
Currently not on view
Credit Line
Gift of Norma P. Wieler
date made
ca 1940
ID Number
1998.0032.06
catalog number
1998.0032.06
accession number
1998.0032
Object Name
scale rule
rule
Physical Description
boxwood (overall material)
plastic (overall material)
Measurements
overall: .4 cm x 31.8 cm x 3.5 cm; 5/32 in x 12 17/32 in x 1 3/8 in
place made
United States: New York, New York City
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Scale Rules
Data Source
National Museum of American History
Subject
Mathematics
Drafting, Engineering
Link to Original Record
Record ID
nmah_694129