Leon Bollee, French inventor of the first calculating machine, 1910s.

 
Leon Bollee, French inventor of the first calculating machine, 1910s.
4 0 c m
 
31cm
actual image size: 23cm x 32cm

Description

Bollee's (1870-1913) machine was one of the earliest of its type and was a direct multiplier with a built-in multiplication table. Later on Bollee was more interested in designing, building and racing sports cars.

Image Details

Image Ref.
 
10300540

© Science Museum / Science & Society Picture Library

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