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- Jun 2022
- Dec 2021
It is telling that during the same period in which Harrison invented his Ark of Studies, the first calculating machines were tested in Europe: the famous cista mathematica by Athanasius Kircher, the or-ganum mathematicum by Kaspar Schott, and the cistula by Gottfried Wilhelm Leibniz.
Keep in mind that Leibniz actually had a version of Harrison's cabinet in his possession. (cf. Paper Machines)