4-cylinder Tenor Flugelhorn - V.F.Cerveny & S. - Company established in 1842 in Hradec-Kralove, Czech Republic -
The first Rotaru valve system for musical instruments was originally designed in 1846. The founder Vaclav Frantisek Cernevy was a brilliant inventor, and his best friend was Adolph Sax, the inventor of the saxophone. The current headquarters is in Bad Goisern, Austria.