Vermillion, South Dakota National Music Museum, University of South Dakota David Dutton (1838) MANUAL (Expressive) [8'] Open Diapason 39 pipes g to a3 [8'] Dulciana 39 pipes g to a3 [8'] Stopped Diapason 11 pipes GGG to F-sharp, on permanently [8'] Stop Diapason 12 pipes G to f-sharp, open from c to f-sharp [4'] Principal treble 39 pipes g to a3 [4'] Principal bass 12 pipes G to f-sharp [4'] Stopped Flute 39 pipes g to a3 The stop knobs push in to turn the stops on. PEDAL MOVEMENTS Expression Foot Pump [Documented by John Koster, previous NMM Conservator]