Divisumma GT 24 adding machine designed in 1956 by Nizzoli Marcello for Olivetti.  Search “72q텔레그램MBE24☆%주식디비DB판매◀” from What is Modern? and Olivetti at DAM

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