The Monroe Calculator Company was a maker of adding machines and calculators founded in 1912 by Jay R. Monroe based on a machine designed by Frank Stephen Baldwin. Now known as Monroe Systems for Business, the company was also known as Monroe Calculating Machine Company, Monroe THE Calculator Company, and Monroe Division of Litton Industries.
Jay Randolph Monroe
2530 Pearl Buck Road, Suite B
Bristol, PA 19007
United States
Jay Randolph Monroe
Company Formed
1912
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