Bidspirit auction | 4 compasses case incl. 3

4 compasses case incl. 3 with nautical instruments - 4 sets of compasses, circa 1900-1935, 3 with nautical instruments, total 34 parts, including navigation, reduction, and drawing compasses with steel points etc., 2 cases incomplete, labeled ”Etuis de Mathematique”, 1 manufacturer ”Feinmessinstitut Joe Klawun Berlin-Charlottenburg”, 1 Swiss manufacturer Aarau, covers partly heavily scuffed, missing parts; additionally, a nautical slide rule C. Plath, plastic, Ø 18.5cm