'Addiator' calculating machine, c 1924.

Image number: 10327837

'Addiator' calculating machine, c 1924.

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:
10327837
Credit:
Science Museum/Science & Society Picture Library
Date taken:
30 October 2003 09:16
Image rights:
Science Museum