Leon Bollee, French mathematician and inventor, c 1890.
3 0 c m
40cm
actual image size: 32cm x 22cm

Leon Bollee, French mathematician and inventor, c 1890.

© Science Museum / Science & Society Picture Library

Description

Photograph of Bollee (1870-1913) operating his calculating machine. Bollee's 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 Ref.

10401779
 

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