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1960
Hardware Description
The Quanta 20 Summa is an adder electromechanical manual writing made by Olivetti.It was designed by Christmas Capellaro for the mechanical part and Marcello Nizzoli for design.
Citations:
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Model Number:
Summa Quanta 20 -
Manufacturer:
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Hardware Type:
Calculator -
Manufacture Year:
1960 -
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