Faber Castell 111/54 Darmstadt slide rule case manual 1970 Germany

This is a later Faber Castell slide rule from Germany in the original hard case. This model is the 111/54 Dramstadt, the redesign of the earlier 1/54 model and the latest increment of the 111/54. It is made in Germany around 1970 and has 9 scales on the front, L scale on the side and 3 (LL1-3) on the back of the slider. The manual is in German. The case has the sticker with the model number. The curser has 5 different hairlines and a hair line on the side. Everything is in great condition and complete, with minimal signs of use and age. It measures 30 cm or 12 inches. Check the attached video on how to work your vintage man tool : slide rule operation instructions!