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Group of Sheets, Documentation Relating to Herman Hollerith

Group of Sheets, Documentation Relating to Herman Hollerith

These paper documents relate to the career of American inventor and entrepreneur Herman Hollerith. They include:
1. Two blueprints and a drawing giving wiring diagrams for a Hollerith tabulating machine. Both blueprints are marked: The Tabulating Machine Co. (/) Washington, D.C. One blueprint is dated March 17, 1911.
2. A typed but unsigned copy of an employment agreement between Herman Hollerith and the Computing-Tabulating-Recording-Co., dated July 5, 1911.
3. A copy of a letter from Herman Hollerith, Jr., the son of Herman Hollerith, to Samuel C. Metcalf of Brooklyn, N.Y, dated May 25, 1921. Included are typed abstracts from correspondence of Herman Hollerith relating to the Auditing Machine Company. Dates range from 1904 to 1921.
4.Copies of two February, 1931, letters relating to surrender of shares in the Auditing Machine Company by Herman Hollerith's sons.
5. A letter of February, 1931 from L.H. Sutton to Herman Hollerith, Jr., identifying the one patent granted to Herman Hollerith between 1918 and 1929.
Currently not on view
Object Name
date made
Physical Description
paper (overall material)
overall: 21.5 cm x 35 cm; 8 15/32 in x 13 25/32 in
ID Number
accession number
catalog number
Credit Line
Gift of the Estate of Herman Hollerith, Jr.
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Tabulating Equipment
Data Source
National Museum of American History
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