Imperial Quart Mochaware Mug, England circa 1840



Imperial quart mochaware mug, made in England circa 1840.

Made in a style which was popular on the European continent this mug has rouletted bands covered in a blue slip and a large field of gray-brown slip which is further decorated with “Trees” The unpainted emblem on the front with the word “Imperial” shows that this was made to hold an Imperial quart of beer. Background of Mocha “Trees”.

In his book Mocha and related dipped wares, 1770-1939, Jonathan Rickard states “The most recognizable type of mocha decoration is the tree.” The tree-like pattern is the result of a dynamic process in which the contact line between two liquids, the acidic dark brown coloring, and the alkaline slip becomes unstable. The instability is driven by the acid/base chemical reaction. Rickard explains the process: Instead of leaving the pot on the lathe, the turner removed it and carefully held it bottom-up. Then he dipped the brush into the dark brown acidic concoction and touched the brush just outside the bottom edge of the broadest slip band, whereupon the dark brown coloring ran quickly downwards while spreading its branches.


5.75″ Tall x 3.5″ Diameter


Slight wear to the edges.



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