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OLD GERMAN DESKTOP MECHANICAL TOOTHED-WHEEL CALCULATOR RESULTA BS7 FUNCTIONAL

$ 52.27

Availability: 55 in stock
  • Condition: in very good, original condition, patina; fully functional
  • Modified Item: No
  • Country/Region of Manufacture: Germany

    Description

    ANTIQUE GERMAN DESKTOP MECHANICAL TOOTHED-WHEEL CALCULATOR RESULTA BS7 / TWO FUNCTIONS / FUNCTIONAL
    mechanical desktop two functions calculator, base on the toothed-wheel (disk) calculator mechanism
    in very good, original condition, patina
    fully functional
    functions: addition / subtraction (changing by level on left side)
    discs are returned to theirs zero positions by pressing the lower lever on right side
    the total can be cleared by pressing the upper lever on right side
    marked: Resulta BS7
    maker: Maschinen- und Werkzeugfabrik Paul Brüning, Berlin, Germany
    display: 7/7
    measurements: 11 cm tall
    weight: 1700 g
    (N196)
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