The Computing Scale Company of America was an early American industrial manufacturer established in Dayton, Ohio, in 1891. The company pioneered the commercial development and mass production of computing scales—mechanical retail scales that automatically calculated total transaction costs based on weight and unit price. In 1911, the company merged with the Tabulating Machine Company and the International Time Recording Company to form the Computing-Tabulating-Recording Company (C-T-R), the direct corporate predecessor to International Business Machines (IBM).

Description: The Computing Scale Company of America specialized in the design, casting, and precision assembly of commercial weighing devices, meat slicers, and retail store calculation machinery. The company’s hallmark innovation was the computing barrel scale, which incorporated a rotating cylindrical chart calibrated with price and weight tables behind a magnifying sight window. This mechanism eliminated manual arithmetic errors for grocers, butchers, and merchants by providing immediate price readouts at the point of sale.

History:

• 1889: Dayton businessmen Julius E. Pitrat, Edward Canby, and Orange O. Ozias obtain patent rights to commercial computing scale designs.
• 1891: The Computing Scale Company is incorporated in Dayton, Ohio, to manufacture the world’s first commercial computing scales.
• 1895: The company expands product lines to include heavy computing counter scales, grocers’ scales, and spring-balance mechanisms.
• 1899: The Dayton Moneyweight Scale Company is organized to manage widespread distribution, marketing, and sales operations.
• 1904: The enterprise broadens its retail store equipment portfolio by acquiring interests in commercial coffee mills and mechanical meat slicers.
• 1911: Financier Charles Ranlett Flint organizes a consolidation merging the Computing Scale Company of America with Herman Hollerith’s Tabulating Machine Company and the International Time Recording Company.
• 1911: The consolidated enterprise incorporates as the Computing-Tabulating-Recording Company (C-T-R).
• 1924: Under Thomas J. Watson Sr., C-T-R officially rebrands as the International Business Machines Corporation (IBM).
• 1933: IBM divests its legacy Dayton Scale Division to the Hobart Manufacturing Company, concluding the computing scale line’s operational era under IBM.

Company Profile:

• Manufacturer: Computing Scale Company of America
• Associated Brands / Trademarks: Dayton, Moneyweight, Computing Scale Co.
• Country: United States
• Founded: 1891
• Founders: Edward Canby, Orange O. Ozias
• Headquarters: Dayton, Ohio, USA
• Primary Industry: Commercial Scales, Computing Weighing Devices, and Retail Store Equipment
• Historical Focus: Mechanical computing scales, cylinder barrel scales, spring scales, and retail food slicing machinery