What is salt-glazed stoneware?

Salt-glazed stoneware is a type of pottery created by introducing common salt into the kiln at peak temperature. The salt vaporises and reacts with the clay to form a durable, glossy surface with a distinctive orange-peel texture. This vitrified finish made the vessels entirely impermeable to liquids, explaining their widespread historical use for storage jugs, tankards, and utility vessels.

How do I care for antique stoneware?

Antique stoneware is robust due to its high-firing temperature, but it still requires gentle maintenance. Clean pieces using warm water and a soft cloth, avoiding harsh chemical detergents that might harm older surface glazes or enamel details. Keep the vessels away from rapid temperature fluctuations and ensure silver mounts, where present, are polished with appropriate non-abrasive cleaners.

Where were Westerwald jugs made?

Westerwald jugs originate from the Westerwald region in Germany, which became a prominent centre for salt-glazed stoneware production during the seventeenth and eighteenth centuries. These vessels are easily recognised by their grey body and vibrant cobalt blue incised patterns. They frequently display historical ciphers, such as those for William III or George Rex, reflecting their export to British markets during those periods.