Title
Class 5 Key-driven CalculatorCatalog Number
B7.76Type
Physical objectDescription
A comptometer-like adding machine with 9 columns of black and white keys, in a rounded case.Date
1930Manufacturer
Burroughs Adding Machine CompanyPlace Manufactured
U.S.Identifying Numbers
| Model number | Class 5 |
| Serial number | 5-1451088 |