Addometer
| Description: |
The Addometer was a popular mechanical calculator made from the early 1900s until the 1960s. It was made by the Reliable Typewriter and Adding Machine Co. and was once advertised as a way to “end figuring worries.” |
|---|---|
| Source: |
http://www.digitalindy.org/cdm/ref/collection/tcm/id/1547 |
| Collection: |
The Children's Museum of Indianapolis |
| Rights: | https://creativecommons.org/licenses/by-sa/3.0/; |
| Copyright: |
Creative Commons (CC By-SA 3.0); |
| Subjects: |
Calculators 20th century Mathematical instruments |
Further information on this record can be found at its source.
This project is made possible by a grant from the U.S. Institute of Museum and Library Services, administered by the Indiana State Library.