Check the listing for details. Rare THALES Mechanical Calculator - VERY GOOD CONDITION. Condition: Used, Made in Sweden. Listed at 254.25 USD. Magnificent Thales Patent mechanical calculating machine, manufactured by the German firm Thaleswerk GmbH (Rastatt). This iconic model is a historic piece of office engineering from the early 20th century (circa 1920-1930). • Operation: The machine is very healthy. All the mechanisms (cursors, cogs, displays) are functional. • Point to note: The crank is blocked. It is most likely a simple need for cleaning/lubrication of the axles or a safety mechanism to be realigned. • Serial number: CER 127802 (engraved on the chassis). • Dimensions: 30 cm (width) x 12.5 cm (depth) x 11.5 cm (height). • Support: Sold on its original wooden base. The machine will be packaged with the greatest care (bubbles, reinforced cushioning) to guarantee secure shipping. Fast shipping with tracking number sent as s.