Thomas
»Arithmomètre«, c. 1875
1st calculator in the world produced in
series.
Invented 1820 by Charles Xavier Thomas, Colmar/Alsace, later Paris. No designation and serial number. Brass in oak
case.
A true milestone of calculating history and
a superb collector's item of top museum quality!
Estimate: € 3,000/5,000
US$ 3,960/6,600
Reserve: € 2,200/US$ 2,900
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