Framed Letter Of Introduction for Herman Hollerith, 1880
Framed Letter Of Introduction for Herman Hollerith, 1880
- 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.
- Location
- Currently not on view
- 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
