Browse Items (1 total) Browse All Browse by Tag Search Items Creator is exactly "Billhorn Brothers, United States of America." Sort by: TitleCreatorDate Added Portable harmonium (reed organ) Wood, ivory, felt, metal. Grainger wrote in 1929, ‘If I were forced to choose one instrument only for chamber music – I would choose the harmonium (reed-organ) without hesitation; for it seems to me the most sensitively and intimately expressive… Output Formats atom, dcmes-xml, json, omeka-xml, rss2