compass box and slide rule

Lot 8545 limit € 40

Compass box marked EO Richter & Co. Präcision, model Kopernikus XII, drawing set with various compasses and drawing implements, probably complete, in the original velvet-lined case, approx. 31 x 15 cm, slide rule marked Reiss Darmstadt, aluminium, L approx. 31.5 cm