Henley's Twentieth Century Formulas, Recipes and Processes

by Unknown

Best:

Feldspar	20 parts
Flint glass	14 parts
White lead	14 parts
Stone	3 parts
Oxide of zinc	3 parts
Whiting	1 1/2 parts
Plaster	1 part

Rockingham Bodies.—

Ball clay	20 parts
China clay	13 parts
Flint	7 parts
Stone	1 part
Cane marl	22 parts
China clay	15 parts
Flint	8 parts
Feldspar	1 part

Glazes.—

I.—	Red lead	60 parts
	Stone	8 parts
	Red clay	3 parts
	Best manganese	5 parts
II.—	White lead	60 parts
	Feldspar	6 parts
	Flint	16 parts
	Red clay	6 parts
	Manganese	12 parts
III.—	Red lead	100 parts
	Stone	15 parts
	Flint	10 parts
	China clay	10 parts
	Manganese	40 parts
	Crocus martis	2 parts
IV.—	Litharge	100 parts
	Feldspar	14 parts
	China clay	20 parts
	Manganese	40 parts
	Oxide of iron	2 parts

Jet.

When fired use the following:

Glaze.—

Stone	60 parts
Flint	30 parts
Paris white	7 1/2 parts
Red lead	140 parts