Divisumma GT 24 adding machine designed in 1956 by Nizzoli Marcello for Olivetti.  Search “_@로또디비원단{}텔레MBE24” from What is Modern? and Olivetti at DAM

Search “_@로또디비원단{}텔레MBE24”

Divisumma GT 24 adding machine designed in 1956 by Nizzoli Marcello for Olivetti.