Brunsviga calculating machine

Made:
1931-1939 in Braunschweig
maker:
Grimme Natalis and Co

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Model Brunsviga 20 calculating machine by Grimme, Natalis and Co., Braunschweig, Germany, serial no. 146309, c.1935.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Model Brunsviga 20 calculating machine, serial no. 146309, supplied by Block and Anderson Limited, Darlington, County Durham, England and made by Grimme, Natalis and Co. A. G., Braunschweig, Germany, 1931-1939

Science involves calculation as well as experiment and theorising. Gradually improving equipment for calculation was a feature of twentieth-century science, from calculators at the beginning to computers at the end. A mechanical calculator like this one was still being used in the 1950s to study and analyse the growing cases of lung cancer in Britain.

Brunsviga was the brand name of a popular series of calculating machines produced by the German manufacturer Grimme, Natalis and Company from the 1890s onwards.

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Details

Category:
Mathematics
Object Number:
1987-365
Materials:
brass (copper, zinc alloy), complete, plastic (unidentified), rubber (unidentified), steel (metal), tin plated
type:
pinwheel calculating machine
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • calculator
credit:
Imperial College of Science and Industry (Lyon Playfair Library)
status:
Permanent collection

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