| Type | Calculation, Measurement |
|---|---|
| sub-type | Machine To calculate |
| Country original | Germany |
| material | CAST IRON STEEL |
| Brand | Unbranded |
Check the listing for details. Vintage Mechanical Calculator Model 21 Addo-X. Condition: Used. Listed at 138.29 USD. Get your hands on an authentic Swedish Addo-X mechanical calculating machine, an icon of mid-20th century office equipment. This iconic model is distinguished by its robust design and its 10-key input interface (hence the "X" in the name), which revolutionized the working methods of the time. • Brand/Model: Addo-X (Addo, Malmö, Sweden). • Period: Typical of the 1940s-1960s. • Design: Black lacquered/bakelite case with an industrial look resting on a wooden base, with a characteristic keyboard with colored keys (red, yellow and ivory) on a patinated green background. Sold in untested condition Height 23cm Width 21cm Depth 33cm.
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