This calculator tool was invented to make addition and subtraction easy on the fly. No paper needed, just a pen…which is also included. It comes in it’s complete signed leather sleeve. The Addimult itself is made of all metal with metal tool. This is the Sumax-S version .On the top is a pull out handle to put the numbers back to zero. It shows some signs of use and age but is all complete and working. Measuring ca. 13,5 cm or 5 1/4 inches high. Here you can find a vintage advertisement for a similar tool for the US.
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Addimult Sumax-S calculator tool full set 1940 Germany Holland
€20.00
Addimult Sumax-S calculator tool made ca. 1940 in Germany Holland
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