Olivetti Divisumma 24 Value Guide

The Olivetti Divisumma 24 is a technical masterpiece of mid-20th century engineering, designed by Natale Capellaro and styled by architect Marcello Nizzoli. Released in 1956, this high-speed printing calculator became a global icon of Italian industrial design, renowned for its ability to perform all four arithmetic operations with an integrated memory function.

What affects the value of Olivetti Divisumma 24?

• Mechanical functionality is critical, as these complex machines often require specialized maintenance to operate.
• The cosmetic condition of the exterior casing and the original rubber feet significantly impacts the $150-$165 price range.
• The presence of original accessories, such as the dust cover or the paper tape roll, adds to the collectible appeal.
• Completeness of the internal memory components and the clarity of the printed output on the tape.

How to Identify Olivetti Divisumma 24?

• Look for the distinctive mid-century styling by Marcello Nizzoli featuring a robust steel and aluminum housing.
• Verify the presence of the 10-key numeric keypad and the integrated paper tape printing mechanism.
• Check for the 'Olivetti Divisumma 24' branding, typically found on the front or rear identification plates.
• Confirm the internal electro-mechanical components are consistent with the 1956-1965 production era.

History of Olivetti Divisumma 24

Designed by Natale Capellaro and styled by architect Marcello Nizzoli, the Divisumma 24 was a technical masterpiece of the mid-20th century. Released in 1956, it was renowned for its ability to perform all four arithmetic operations at high speed, recording the results on a paper tape. It became a global icon of Italian industrial design and office efficiency, selling over a million units despite its high cost at the time.