Beautiful working antique Brunsviga A Calculator. Germany, 1920's
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John Wolff's Web Museum - Brunsviga
Antique German Brunsviga Calculator. – Vintage Type Shop
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Antique Working Brunsviga 13 Z 18 Windlass Calculator. Germany, 1940s
The Brunsviga Nova 13 Mechanical Calculator
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The Brunsviga Calculator] - UNT Digital Library
File:Mechanical-calculator-Brunsviga-15-02a.jpg - Wikimedia Commons
1. A hand-cranked Brunsviga 20, the same model of calculator used by... | Download Scientific Diagram
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Brunsviga
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