Part 109

I.—Stone 100 parts Flint 80 parts China clay 30 parts Paris white 30 parts Feldspar 40 parts Soda crystals 40 parts Borax 80 parts

To mill:

Frit 360 parts Flint 50 parts Stone 50 parts Lead 80 parts

II.—Frit:

Borax 100 parts Stone 50 parts Flint 50 parts Paris white 40 parts China clay 20 parts

To mill:

Frit 210 parts Stone 104 parts Flint 64 parts Lead 95 parts

«Raw Glazes.»—White:

I.—White lead 160 parts Borax 32 parts Stone 48 parts Flint 52 parts

Stain with blue and grind.

II.—White lead 80 parts Litharge 60 parts Boracic acid 40 parts Stone 45 parts Flint 50 parts

Treat as foregoing.

III.—White lead 100 parts Borax 4 parts Flint 11 parts Cornwall stone 50 parts

IV.—Red lead 80 parts Litharge 60 parts Tincal 40 parts Stone 40 parts Flint 52 parts

«ROCKINGHAM GLAZES.»

I.—Litharge 50 parts Stone 7 1⁠/⁠2 parts Red marl 3 parts Oxide of manganese 5 parts Red oxide of iron 1 part

II.—White lead 30 parts Stone 3 parts Flint 9 parts Red marl 3 parts Manganese 5 parts

III.—Red lead 20 parts Stone 3 parts Flint 2 parts China clay 2 parts Manganese 3 parts Red oxide of iron 1 part

«Stoneware Bodies.»—

Ball clay 14 parts China clay 10 parts Stone 8 parts

Ball clay 8 parts China clay 5 parts Flint 3 parts Stone 4 parts

Ball clay 14 parts China clay 11 parts Flint 4 parts Stone 5 parts Feldspar 4 parts

Cane marl 16 parts China clay 10 parts Stone 9 parts Flint 5 parts

«Glazes.»—Hard glaze:

Stone 10 parts Flint 5 parts Whiting 1 1⁠/⁠2 parts Red lead 10 parts

Hard glaze:

Feldspar 25 parts Flint 5 parts Red lead 15 parts Plaster 1 part

Softer: