helicó AUGUSTIN JINDRICH ROTT (FILL) 1839 - 1868 Praga/Warsawa/Poland

Helicon.  Nominal pitch:Bb BESANÇON 1861-1868 Lyon / France c 104.5cm

Helicon. Nominal pitch:Bb RIVIÈRE AND HAWKES 1876-1889 London/England c 77cm  approx,  bell 38.6cm

Hericon. Nominal pitch:Bb KRUSPE, C Mid - late 19th century Erfurt/Germany c. 107.5cm bell 31.2cm

Helicon VINATIERI 1861-1900 Turin / Italy The valve stems mechanism and touches are dummy because their were lost

Tenor helicon in C Charles A. Zoebisch & Sons 1848-1898 ca. New York DimensionsCoil diameter: 480 mm Bell diameter: 210 mm