Flight Barr & Barr armorial plate, 1825

• Incised - A record of a name, date or inscription, or a decoration scratched into a surface, usually of a glass or ceramic item with a blunt instrument to make a coarse indentation. Compare with engraving where the surface is cut with a sharp instrument such as a metal needle or rotating tool to achieve a fine indentation.
• Circa - A Latin term meaning 'about', often used in the antique trade to give an approximate date for the piece, usually considered to be five years on either side of the circa year. Thus, circa 1900 means the piece was made about 1900, probably between 1895 and 1905. The expression is sometimes abbreviated to c.1900.
• Armorial / Armourial - Bearing a coat of arms. Coats of arms came into general use by feudal lords and knights in in the 12th century, and by the 13th century, arms had spread beyond their initial battlefield use to become a flag or emblem for families in the higher social classes of Europe. They were inherited from one generation to the next. When a family crest is used on individual items of silver or furniture it is an indicator of the aristocratic standing of the family represented.
  
  Armorials were also used to decorate mass produced ceramic souvenir ware by such companies as Goss, Carlton & Shelley, and in these cases the coats of arms displayed were of boroughs and cities.
• Gilding - Gilding is a method of ornamentation whereby a thin sheet of gold metal is applied to items made of wood, leather, ceramics, glass and silver for decorative purposes.
  
  For furniture including mirrors, the sheet of gold is usually applied over a coating of gesso. Gesso is a mixture of plaster of Paris and gypsum mixed with water and then applied to the carved wooden frames of mirrors and picture frames as a base for applying the gold leaf. After numerous coats of gesso have been applied, allowed to dry and then sanded a coat of "bole", a usually red coloured mixture of clay and glue is brushed on and allowed to dry, after which the gold leaf is applied. Over time parts of the gilding will rub off so the base colour can be seen. In water gilding, this was generally a blue colour, while in oil gilding, the under layer was often yellow. In Victorian times, gilders frequently used red as a pigment beneath the gold leaf.
  
  Metal was often gilded by a process known as fire gilding. Gold mixed with mercury was applied and heated, causing the mercury to evaporate, the long-term effect of which was to kill or disable the craftsman or woman from mercury poisoning. The pursuit of beauty has claimed many victims, not the least of which were the artists who made those pieces so highly sought after today.

This item has been included into following indexes:

• Worcester (England), item types - plates and dishes 317
• Worcester (England), other - Barr Flight Barr / Flight, Barr & Barr 140