Framed Letter Of Introduction for Herman Hollerith, 1880
Object Details
- date made
- 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
- place made
- United States: District of Columbia
- web subject
- Mathematics
- Census, US
- See more items in
- Medicine and Science: Mathematics
- Tabulating Equipment
- Science & Mathematics
- Credit Line
- Gift of Virginia Hollerith and Lucia Hollerith
- Data Source
- National Museum of American History
- ID Number
- MA.317982.07
- accession number
- 317982
- catalog number
- 317982.07
- Object Name
- sheet
- 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
- Record ID
- nmah_1214684