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.
pottery where decoration in slip is a main feature. Includes slip-painting, slip-trailing, and many other techniques Slop Another name for slurry. Soaking A period during a firing cycle when a set temperature is maintained. The period of time at the maintained temperature is called the soak, hold or dwell. Soda ash
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]
Pottery techniques include the potter's wheel, slip casting and many others. Methods for forming powders of ceramic raw materials into complex shapes are desirable in many areas of technology. For example, such methods are required for producing advanced, high-temperature structural parts such as heat engine components, recuperators and the ...
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 ...
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.
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.