This is a black and white image of a Leibniz calculator against a white background. There is a plate on the front of the calculator that reads "LEIBNIZ CALCULATOR A REPRODUCTION FROM THE ORIGINAL IN THE TRINKS BRUNSVIGA MUSEUM AT HANNOVER GERMANY". Written on verso side is "Liebniz [sic] calculator 1694" and stamped on verso side is "PLEASE CREDIT IBM ARCHIVES".
Identification photograph; Publicity photograph
Calculators--History; Leibniz, Gottfried Wilhelm; Calculators