Smaller pocket slide rule by Aristo from Germany. This is the model 870 Multilog and comes with:
- slide rule in great condition with only small signs of use (some fading to yellow)
- it’s original Aristo signed leather pouch in great condition
- a manual in English in great condition
- original cardboard outer box (missing small piece and some tape)
The snug fitting box measures 21 cm 8 1/4 inches, the rule itself measures ca. 17 cm or 6 3/4 inches long. See the attached video on how to work your vintage man tool : slide rule operation instructions!