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Heinz Nixdorf MuseumsForum Rechenhilfsmittel [E-1995-0138]

Römischer Hand-Abakus (Nachbildung)

Römischer Hand-Abakus (Heinz Nixdorf MuseumsForum CC BY-NC-SA)
Provenance/Rights: Heinz Nixdorf MuseumsForum / Jan Braun (CC BY-NC-SA)

Description

Aus dem Rechenbrett entwickelten die Römer einen Handabakus.
Gerführte Nieten ersetzen die losen Steine, das Gerät wird dadurch leicht und transportabel.

Die unteren Nieten zählen die Zehnerstufen einfach: 1 (I) - 10 (X) - 100 (C) - 1000 (M) usw.,
die oberen zählen jeweils fünffach: 5 (V) - 50 (L) - 500 (D) usw.

Material / Technique

Metall

Measurements ...

HxBxT: 0,8 x 12,5 x 8 cm

Created ...
... where

Relation to time ...

Tags

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[Last update: 2017/06/27]

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