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Brunsviga Calculating Machine (image 2)

Brunsviga Calculating Machine image 2

Brunsviga Calculating Machine image 2
Brunsviga-Maschinewerke, Grimme, Natalis & Co., A.-G., was founded in 1871 for the manufacture of sewing machines. The company produced its Brunsviga Calculating Machines based on the gear tooth principle, which could be applied to addition, subtraction, multiplication and division.