'Addiator' calculating machine, c 1924.
Image number: 10327837
Addiator decimal adding machine with stylus and pencil on a metal stand. Made by the Addiator-Gesellshaft Company of Berlin, the Addiator was a relatively late mechanical calculator. It uses a chain mechanism, a stylus to add or subtract and has a capacity for nine figures.
- Image number:
- Science Museum/Science & Society Picture Library
- Date taken:
- 30 October 2003 09:16
- Image rights:
- Science Museum