Object Description

Maker unknown USA, after 1925BrassCompass two octaves, pitches can be regulated by' slideL. 475 mm (with beak); 0 110 mm (bell rim)Donated by a group of music lovers, Basel.Presented by Guy Sarasin, Bottmingen(from the Ern st W. Buser collection, Blnnlngen)lnv. 1996.343.