Olivetti Summa Prima 20

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1960
Description

The Summa First 20 was a mechanical adding machine manual writer built by Olivetti from 1960, designed by Claus Capellaro for the mechanical part and Marcello Nizzoli for design.

Legacy Content: Unknown Author
Hardware Type
Mechanical Calculator
Manufacturer
Olivetti
Model Number
Summa Prima 20
Launch Date
1960

Citations:

Courtesy of Centre for Computing History
Courtesy of Other Website
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