EditorialEnglish Horn, Althobo (or English horn), marked: HECKEL / BIEBRICH, Heckel, Biebrich, c. 1830, wood (plant material), ivory, copper (metal), l 72 cm ? d 7 cm.
EditorialOboe, oboe with typical application: rings, flaps with 'bassoon rolls' (for easy sliding) and a 'flapping flap' B over the back., Firma Heckel, Biebrich, c. 1850.