Summa 19 calculator designed in 1970 by Ettore Sottsass for Olivetti.  Search “천안셔츠룸ミ«YEᔕᗷᗰ19.ᑕOᗰ»ε일산 레깅스룸Ϙ일산퍼블릭분당레깅스룸” from What is Modern? and Olivetti at DAM

Search “천안셔츠룸ミ«YEᔕᗷᗰ19.ᑕOᗰ»ε일산 레깅스룸Ϙ일산퍼블릭분당레깅스룸”

Summa 19 calculator designed in 1970 by Ettore Sottsass for Olivetti.