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A: Innenstadt, Braunschweig, Niedersachsen, Germany

Brunsviga Sells 20,000 Variable-Toothed Gear Calculators in One Year

1912
Image Source: www.rechenmaschinen-illustrated.com

In 1912 Brunsviga of Braunschweig, Germany boasted that they sold twenty thousand calculators based on the variable-toothed gear technology.

Timeline Themes

Computer & Calculator Industry
Technology / Engineering
Accounting / Business Machines

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