BA, WA PA, MA, SA, BC, GC, MC, AC | 46, 54, 60, 80, 100, 120, 150, 180, 220, 240, 280, 320, 360, 400 | D, E, F, G, H, I, J, K, L, M, N, O, P, | 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 | V-Vitrified B-Resinoid R-Rubber P-PVA | ST-Sulphur WT-Wax RT-Resin T2-Shellac |