OLIVETTI LOGOS 9 | 1981 Mario Bellini Olivetti's first LCD m… | Flickr
Mario Bellini's Logos 55 Calculator for Olivetti – Late 1960's | The Invisible Agent
Olivetti Logos 55 calculator, design by Mario Bellini, 1974. – falsotecho
Museo del Calcolatore di Prato
Modem Times on Twitter: "The 1949 Olivetti Summa 15 manual calculator. This version has two additional digit keys (10 and 11) to allow it to calculate pre-decimal British currency - 12 pennies
DHOB: Riparazione tastiera Olivetti Logos 55
Olivetti Logos 55 Electronic Desktop Calculator, 1974 - May 18, 2019 | Auction Team Breker in Germany