Malmesbury, VGK Hum Prime Tierce Quint Nominal Diameter Height Thickness Freq Note Dev Freq Note Dev Freq Note Dev Freq Note Dev Freq Note Dev 46 35.5 3.2 270 Db1 -45 459 Bb1 -26 575.5 D2 -35 674 E2 38 918 Bb2 -26