Olivetti Hispano Divisuma MidcenturyOriginal vintage advertising poster for Hispano Olivetti Divisuma featuring a great mid century design of a new Divisuma electric calculator with numbers and math symbols on colourful dots on the shaded blue background. The Italian company Olivetti (founded 1908) produced type writers, calculators and computers and launched its Divissuma calculator in 1948; the company employed the best commercial artists and graphic designers to create posters for
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