Nestler 0370 Elektro Electro mahogany slide rule in case 1977 Germany

This is a beautiful mahogany slide rule that was made by the German company Nestler. This is the model 37 Electro in an late execution, dated 1977. It has a folded cursor that gives acces to extra scales on the thin side. It comes in the original cardboard signed box as well (model name and number on top). It measures. 29,5 cm or 11 3/4 inches long. The slide rule, the cursor and cardboard container  are all complete and in very good condition with minimal signs of use and age. Information on the back is complete and perfectly readable. Check the attached video on how to work your vintage man tool : slide rule operation instructions!