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Olivetti Summa Prima 20
Olivetti Mechanical Calculator
Sold Price: OLIVETTI Summa Prima 20 vintage adding machine with rolls, designed by Marcello Nizzoli, made in Italy, circa 1960, 34cm deep - Invalid date AEDT
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Olivetti Summa Prima 20
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Olivetti Summa Prima 20 - Calculator - Computing History
Olivetti Summa Prima 20
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Category:Olivetti Summa Prima 20 - Wikimedia Commons
