John & Richard Riley Bone China Comma Handled Jugs

• Bone China - Bone china, Also called 'English china", is one of the three types of porcelain, the other two being soft paste porcelain and hard paste porcelain.
  
  Porcelain is an ancient ceramic material, first made in China, hence the common name "china", and the introduction of bone china was to counter the imports of Chinese porcelain.
  
  The initial development of bone china is credited to Josiah Spode, who introduced it around 1800 and it was soon after copied by other manufacturers including Minton, Coalport, Davenport, Derby, Worcester, Wedgwood and Rockingham and the Herculaneum factory at Liverpool.
  
  Spode's bone china was made by mixing ash from cattle bones with feldspar and kaolin, which created a material that was stronger, more translucent, and whiter than traditional porcelain. He began to produce this new type of porcelain in 1796 and it quickly became very popular.
  
  At the time, the process and ingredients were kept secret and were only known to a few manufacturers and were protected by patents.
  
  In the 19th century, bone china became increasingly popular and was widely produced by many manufacturers in England. During this time, it was considered a luxury item and was often used to create fine dining sets and other decorative items.
  
  Bone china is still used in the production of fine porcelain wares, such as tea sets, figurines, and other decorative pieces. His basic formula of six parts bone ash, four parts china stone, and three and a half parts china clay remains the standard English body. It is still considered a luxury item due to its strength, translucency, and whiteness, and is often used for high-end and high-quality porcelain. China.
• Rosette - A stylised circular-shaped disk with turned or carved decoration decoration applied to a surface, or carved into the surface, especially used in ceramics, jewellery, furniture, sculpture and textiles. Also known as a boss or a paterae or patera.
• Gadrooning - A series of lobes usually as a border. In furniture gadrooning is found as carved decoration around the edges of table tops in the Chippendale and Jacobean style furniture. Gadrooning is also found as decoration on the rims of silver and ceramics.
• 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.

This item has been included into following indexes:

• Staffordshire Potteries (England), item types - other items 205