»Arithmomètre de Thomas de Colmar«, c. 1850
Richly decorated deluxe case (empty!) by André-Charles Boulle for world's 1st calculating machine produced in series (1820), with original brass
dedication by the inventor Charles Xavier Thomas ("Souvenir de l'inventeur") to:
"His Royal Highness The Count of Trapani", who was Francesco de Paolo di Borbone, Comte de Trapani (1827–1892). –
A spectacular collector's item and exhibition piece!
Estimate: € 4,000/7,000
US$ 5,500/9,600
Reserve: € 3,000/US$ 4,110
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