Very small pocket slide rule by Aristo from Germany. This is the model 816 Piccolo and comes with:
- slide rule in great condition with only small signs of use (some fading)
- it’s original Aristo signed leather pouch in great condition
- a manual in German in great condition
- original cardboard outer box (complete / some fading on one side )
The snug fitting box measures ca. 17 cm or 6 3/4 inches long, the rule only 12 cm or 5 inches. See the attached video on how to work your vintage man tool : slide rule operation instructions!
