Salt Glaze
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Salt Glaze |
Salt glaze, in ceramics, a glaze having the texture of
orange peel, formed on stoneware by throwing common salt into the kiln at
the peak temperature. Sodium from the salt combines with silica in the
clay to form a glassy coating of sodium silicate.
See: Glaze
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"Many
thousands of tons of shipping, and seamen in proportion, which in summer trade
to the northern seas, are employed in winter in carrying materials for the
Burslem ware; and, as much salt is consumed in glazing one species of it, as
pays annually near £5,000 duty to Government."
- from a 1762 application to Parliament for
a turnpike road
decline of the use of
salt glaze
The glaze may be colourless or may be coloured various shades of brown (from
iron oxide), blue (from cobalt oxide), or purple (from manganese oxide).
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Edward
Walley, Salt glazed Staffordshire pitcher with heavily embossed
Greek mythological figures, ferns, and leaves all the way around on a
stippled background.
It stands 10" tall
and about 5 1/4" in diameter.
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Salt glaze pitcher.
Cows are embossed on each side, in a blue salt glaze.
Measures approx. 8" high x 5" across.
SALT GLAZE SUGAR
BOWL
Early Ridgway and Son
questions / comments? email Steve Birks steveb@netcentral.co.uk