Category:Brunsviga 800

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Media in category "Brunsviga 800"

The following 2 files are in this category, out of 2 total.

Mechanical-calculator-Brunsviga-800-01.jpg 4,473 × 3,195; 4.48 MB
Mechanical-calculator-Brunsviga-800-02.jpg 4,789 × 3,193; 7.14 MB

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Brunsviga calculators