Ten Key | 1964

Vintage ad for Ten Key, 1964

Ten Key adding machines, advertised in the Guia de Belém, a city guide from Belém in northern Brazil, in 1964.

In a time without computers or pocket calculators, offices and shops did their sums on mechanical machines like this one, now museum pieces.

Brand: Ten Key
Year: 1964
Decade: 1960s
Country: Brazil
Medium: Magazine
Themes: Technology
Original publication: Guia de Belém, 1964

Ten Key | 1964 · Vintage Ad Museum

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