Henley's Twentieth Century Formulas, Recipes and Processes

by Unknown

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.

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:

White lead	13 parts
Flint glass	10 parts
Feldspar	18 parts
Stone	3 parts
Whiting	1 1/2 parts