 Class 1 Adding Machine 1891 | |
| Founded | St. Louis, Missouri, United States (1886) |
|---|---|
| Defunct | 1905 |
| Successor | Burroughs Adding Machine Company |
| Headquarters | St. Louis, Missouri , United States |
The American Arithmometer Company was an American manufacture organized in St. Louis, Missouri in 1886 by William S. Burroughs that produced adding machines.