NMM 10508. Cornopean in B-flat by Thomas Key, London, ca. 1845 Joe R. and Joella F. Utley Collection, 2003 Cornopean with crooks, tuning shanks, touchpiece protection caps, and mouthpieces.         Left: Cornopean with C-octave crook inserted in lieu of main tuning slide.  Right: Cornopean in its case. Engraving on C-octave crook National Music Museum The University of South Dakota 414 East Clark Street Vermillion, SD 57069 ©National Music Museum, 2004-2009 Most recent update: January 21, 2009 You are the 1,338th visitor to this page since February 13, 2004. The University of South Dakota Return to Top of Page