108: MARIO BELLINI, Divisumma 28 and Divissuma 18 < Taxonomy of Design: Selections from Thessaloniki Design Museum, 25 August 2016 < Auctions | Wright: Auctions of Art and Design
Mario Bellini | Divisumma 18 (1973) | Artsy
Olivetti Divisumma 24 Calculating Machine (So Marked on Back) | National Museum of American History
Divisumma 24, work by Natale Capellaro; Marcello Nizzoli | Artsupp
Olivetti Divisumma 24 Calculating Machine (So Marked on Back) | National Museum of American History