Superb mechanical calculator from the famous German brand Brunsviga, model 11E, manufactured in Braunschweig (West Germany). This piece of vintage engineering is a wonderful collectible or industrial decoration item.

The device is in remarkable aesthetic condition: the hammered green paint is very well preserved and the burgundy touches are vibrant. It still has its original identification plate as well as its serial number (11-10626).

Technical characteristics:

• Brand: Brunsviga Maschinenwerke AG.

• Model: 11E.

• Dimensions: Width 23 cm | Depth 24 cm | Height 12.5 cm.

• Origin: Made in Western Germany.

Working status:

Not having the specific power cable, the machine could not be tested. It is therefore sold as is, ideal for an informed collector, for parts or for a superb retro office decoration.

Why is this model interesting?

The Brunsviga 11E is an electric evolution of the famous “pinwheel” machines (Odhner system). Unlike fully manual models, this one incorporated a motor to assist with complex calculations, making it a fascinating witness to the transition between pure mechanics and office computing.

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