Search results
Results from the WOW.Com Content Network
Grog, temper for clay. Grog, also known as firesand and chamotte, is a raw material usually made from crushed and ground potsherds, reintroduced into crude clay to temper it before making ceramic ware. It has a high percentage of silica and alumina. It is normally available as a powder or chippings, and is an important ingredient in Coade stone.
-- "The term pottery includes many varieties of ware from the crudest vessels of prehistoric times to the most beautiful decorated porcelains, stoneware and earthenware; it also includes many articles such as large grain-jars used in ancient times for storing corn and other dry materials, wine-jars and modern sanitaryware and the large tanks ...
Some clays used to make pottery do not require the addition of tempers. Pure kaolin clay does not require tempering. [6] Some clays are self-tempered, that is, naturally contain enough mica, sand, or sponge spicules that they do not require additional tempering.
Most Groggs are 9 inches tall or less and are made of a type of clay called grog. Groggs are usually made of popular Welsh rugby players, [1] Welsh celebrities [2] and the occasional non-Welsh celebrity. [3] [4] Whenever possible the person who is "grogged" is presented with the first Grogg produced. [5]
Some of the earliest pottery shards recovered are from central Honshu, Japan. They are associated with the Jōmon culture, and recovered deposits have been dated to around 14,000 BCE. [7] Cooking pots, art objects, dishware, smoking pipes, and even musical instruments such as the ocarina can all be shaped from clay before being fired.
Cardium pottery or Cardial ware is a Neolithic decorative style that gets its name from the imprinting of the clay with the heart-shaped shell of the Corculum cardissa, a member of the cockle family Cardiidae. These forms of pottery are in turn used to define the Neolithic culture which produced and spread them, commonly called the "Cardial ...
Shapes of pottery. Subcategories. This category has the following 4 subcategories, out of 4 total. A. Ancient Greek pot shapes (1 C, 53 P) C. Crockery (8 P) S.
Cord-marked pottery was made in several shapes. An inverted cone shape, with a pointed bottom and up to 2 1/2 feet tall, was used for storing food. The walls of the pottery were very thick, and were too heavy to haul food a great distance. This would have been a great improvement over storing food directly underground without a container.