Manganese colors
firing to cone 10 in oxidation - glazes contain barium
slow downfire at 50 deg F an hour in the interval 1850 deg F to 1700 deg F
25 deg F an hour in the interval 1700 deg F to 1650 deg F. One hour hold
at 1650 deg F
glaze barium_3 bowl ~ 3 inch diameter
glaze barium_4 bowl ~ 3 inch diameter
glaze Tsabar_barium bowl ~ 3 inch diameter