This round slide rule is marked Faber Castell 8/10 for BASF Farbstoffe (BASF firm for color pigments). Made in Germany for a German firm on December 1969. A rare model that comes with it’s original leather case (glued on one side), closes correctly and has the small hanger on the zipper. It is in good working condition with only small signs of use and age. Fully functioning. It measures ca 12,5 cm or 5 inches in diameter. Check the attached video on how to work your vintage man tool : slide rule operation instructions!
Faber Castell 8/10 circular slide rule in case 1969 Germany
Faber Castell 8/10 circular slide rule in case made 1969 in Germany for BASF
1 in stock