Nestler Elemath log log duplex slide rule full set 1970 Germany

This slide rule is comes as a full set with the original signed container, manual, box and paper guarantee slip, all made in Germany by Nestler. This model is the elaborate Elemath log – log Duplex, with 22 scales on both sides and still has the original (open) plastic wrapper. The Nestler name and model is on the rule, the Nestler name also on the container and outer box and manual (German). It is made of plastic and has a complex cursor with multiple hairlines. Curser, slide rule and container are in good condition with hardly any signs of use and age. The small rubber feet are accounted for and in very good condition as well. It measures ca. 35 cm or 14 inches. Check the attached video on how to work your vintage man tool : slide rule operation instructions!