Divisumma GT 24 adding machine designed in 1956 by Nizzoli Marcello for Olivetti.  Search “텔레@coinsp24카드로테더구입하는법코인무통카드로테더구입하는법코인무통” from What is Modern? and Olivetti at DAM

Search “텔레@coinsp24카드로테더구입하는법코인무통카드로테더구입하는법코인무통”

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