Framed Letter Of Introduction for Herman Hollerith, 1880

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Description
This handwritten letter of Francis A. Walker, superintendent of the Census, introduces Herman Hollerith, E.M., as a special agent of the Census Office for collecting statistics on power and machinery used in manufacture. The letter is dated March 18, 1880. The chief special agent was William P. Trowbridge, head of the Engineering Department at Columbia University, where Hollerith had studied.
This letter marks the beginning of Hollerith’s association with the Bureau of the Census.
date made
1880
place made
United States: District of Columbia
Physical Description
wood (overall material)
glass (overall material)
paper (overall material)
Measurements
overall: 2 cm x 39.7 cm x 46 cm; 25/32 in x 15 5/8 in x 18 1/8 in
ID Number
MA.317982.07
accession number
317982
catalog number
317982.07
Credit Line
Gift of Virginia Hollerith and Lucia Hollerith
subject
Mathematics
Census, US
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Tabulating Equipment
Data Source
National Museum of American History, Kenneth E. Behring Center

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