Aristo Aviat 618L air navigation slide rule BUND kit set 1970 Germany

Great piece of Pilot navigator equipment, the full set by Aristo Germany, called the Aviat 618L (L for the full kit). This Air Navigation slide rule was specially made for the German Army hence the BUND (Bundeswehr) name and numbers on the outside black leather map as well as on the slide rule. The designation is 618AG (for A and G sides on the chart) that inserts Ito the slide rule).This one is complete with most items still in plastic and only some pencils sharped for immediate use. Including the manual in German. The slide rule has minimal signs of use and age and is overall in great condition. The black folder measures ca. 20 cm or 8 inches wide when closed. Check the attached video on how to work your vintage man tool : aviation slide rule operation instructions!