Excellent , seems never used , out of a rare collection. See what you may need from there. The item "ARISTO PROJECTION SLIDE RULE 107,1972, Commerz -Junior PROJECTIONS RECHENSCH" is in sale since Sunday, September 6, 2020. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "bestofgermany" and is located in Oberursel.This item can be shipped worldwide.