Category:Leibniz calculator

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Leibniz wheel 
cylinder with a set of teeth of incremental lengths
Leibnitzrechenmaschine.jpg
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Rueda de Leibniz (es); 段付歯車 (ja); Cylindre cannelé de Leibniz (fr); leibniz wheel (ms); Staffelwalze (de); a roda de leibnitz (pt); Leibniz wheel (en); rado de Lejbnico (eo); roda de Leibniz (ca); Колесо Лейбница (ru) cylinder with a set of teeth of incremental lengths (ms); цилиндр с набором зубьев увеличивающейся длины (ru); cylinder with a set of teeth of incremental lengths (en) шаговый барабан (ru)

The Leibniz Stepped Drum (or Step(ped) Reckoner, a translation of its German name Staffelwalze) was a digital mechanical calculator invented by German mathematician and philosopher Gottfried Wilhelm Leibniz around 1672 and completed 1694.

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Media in category "Leibniz calculator"

The following 17 files are in this category, out of 17 total.