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Tito Livio Burattini [attr.], Macchina calcolatrice
Tito Livio Burattini [attr.], Calculating machine

First half of 17th cent.
Brass, wood; max. length 20 cm
Florence, Istituto e Museo di Storia della Scienza, inv. 3179

Donated to Grand Duke Ferdinando II, this mechanical calculator combines the solutions adopted in Blaise Pascal’s calculating machine and in the so called "Napier’s rods".