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The grayish-green metal case of this large computing scale is marked “TOLEDO” and “NO SPRINGS.” The words “HONEST WEIGHT” can be seen through the window. A metal plate under the large round glass platform is marked “TOLEDO COMPUTING SCALE CO. / TOLEDO, OHIO, U.S.A.” and “STYLE NO. 831D / NO. 104487” and “PATENTED U.S. DEC. 25, 1906 / PATENTS PENDING.”
The Toledo Computing Scale and Cash Register Company was established in 1901, became the Toledo Computing Scale Company in 1902, and the Toledo Scale Company in 1912.
Ref: Allen DeVilbiss, Jr., “Computing-Scale,” U.S. Patent 839,736 (Dec. 25, 1906), assigned to Toledo Scale Company.
Currently not on view
Object Name
Object Type
date made
around 1910
Toledo Computing Scale Company
place made
United States: Ohio, Toledo
overall: 77.5 cm x 43.2 cm x 59 cm; 30 1/2 in x 17 in x 23 1/4 in
ID Number
catalog number
accession number
Credit Line
Gift of City of New York
Weights & Measures
See more items in
Medicine and Science: Chemistry
Data Source
National Museum of American History
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