Cornopeans-Instruments with mainly conical bore. (Carse, 2002)
Cornopeon - No Name
Western Europe
Gunckel, Henri - Cornopean
Western Europe
Paris, France
Köhler Echo Cornopean, 1863-1881
Western Europe
35 Henrietta St., Covent Garden, London
Neocor - Cornet-a-pistons
Western Europe
France
Rich, A.J. 2-Valve Cornopean
Western Europe
Possibly Germany