Stonewares
Stoneware vessels were fired at a higher temperature than their earthenware counterparts, typically between 1200 C and 1400 C, to create a fully fused ceramic body impervious to water. Typically vessels would be treated with a salt- or ash-glaze, introduced during the final stages of the firing process, to create 'once-fired' vessels. The body and the glaze mature at the same time to form an integrated body-glaze layer. This technique allowed for quicker and cheaper production of vessels than tin-glazed wares, which required two or more firings.
Salt-glazing was the most common form of treatment for stoneware vessels. It probably originated in the Rhineland, concurrently with the development of the stoneware industry. A salt solution would be introduced into the kiln, chemical reactions then taking place vaporised the salt, releasing soda and hydrochloric acid. The soda fused with the clay body of the vessel, often giving a very characteristic 'orange-peel' effect, to form an integrated glaze very resistant to chemicals and impervious to liquids.
Featured types
| German (1300 - 1800) |
| London (1650 - 1900) |
Related objects
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85.3/155 jar. | 85.3/187 jar. | 85.3/35i jar. | 35.3/35ii jar. |
89.482k jar. | 85.3/45 jar. | 85.3/36 jar. | NN13356 jar. |
25173a jar. | 25173b jar. | 80.486/10 jar. | 80.486/3 jar. |
A4475 jar. | 25894 jar. | 81.281/1 jar. | 77.7/1 jar. |
NN13286 jar fragment. | 68.115/5 jar; drug jar. | 90.128/4 jar; jar lid. | 77.50/261 jar; jar lid. |
77.50/264 jar; jar lid. | 77.50/260 jar; jar lid. | 77.50/262 jar; jar lid. | 77.50/266 jar; jar lid. |
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