Faber Castell 111/98 Elektro slide rule full set 1969 Germany

This is a late Faber Castell slide rule for the electronic aimed engineer of it’s days and comes with the original plastic case as well as original German manual. It was produced to the needs of a select group of professionals and students. This model is the 111/98 Elektro (or Electro), the redesign of the earlier 1/98 model.  It is made in Germany and date 1969. It has Amperes, Volts for motors and Dynamos and S,L and T scales on the back of the slider. The additional information on the back are in German. so made specially for selling in the Netherlands. The curser has 5 different hairlines and a centimes and K-scale on the sides.  Everything is in good condition and complete, with only some 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!