'Addiator' calculating machine, c 1924.
3 4 c m
40cm
actual image size: 32cm x 26cm

'Addiator' calculating machine, c 1924.

Richardson, Claire

© Science Museum / Science & Society Picture Library

Description

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 slide mechanism to add or subtract and has a capacity for nine figures.
 

Artist

 

Image Ref.

10327837
 

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