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Old Calculator Museum Advertising & Documentation Archive
Advertisement for Friden Model ACG Electromechanical Rotary Calculator

Advertising for Friden ACG Electormechanical Rotary Calculator

The Friden ACG-10 calculator was produced between 1954 and 1959. The Model ACG was a modified version of the Friden STW which provided a grand total function that allowed addition or subtraction of the number in the upper dials from a grand total contained in the lower dials.