Thales - Thales patent calculator

Description
Thales - Thales patent calculator
1910-1919 - Good condition - used with small signs of aging & blemishes

Very well-preserved calculator from circa 1920.
All parts are movable and functional.
The calculator weighs about 4 kg, its dimensions are 24 x 14 x 13 cm.
Lovely collector’s item.

Lot details
Object
Thales patent calculator
Period
1910-1919
Material
metal casting
Manufacturer/ Brand
Thales
Condition
Good condition - used with small signs of aging & blemishes
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