Handpainted ceramic egg
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Ceramic snowman
When winter comes with heavy snow, it’s time to get out there and build a snowman! It’s simple to roll up three snowballs, one large, one medium, and one small. Stack them up with the biggest on bottom and the smallest on top for the head. Then let your creative side run wild by decorating the snowman with a face, clothing, arms, and any accessories that you want! Wikipedia: Snow becomes most suitable for packing when it approaches its melting and becomes moist and compact. Making a snowman of powdered snow is difficult since it will not stick to itself, and if the temperature of packing snow drops, it will form an unusable denser form of powdered snow called the crust. Thus, a good time to build a snowman may be the next warm afternoon directly following a snowfall with a sufficient amount of snow. Using more compact snow allows for the construction of a large ceramic snowman by simply rolling it until it grows to the desired size. If the snowball reaches...
History of bone china
The first development of bone china is attributed to Josiah Spoudu who has used it in about 1800. Original principal formula containing six parts of phosphate of lime from perezhzhennoy bones, four pieces of Chinese stone and three and a half parts of kaolin, remains the standard English composition. Hard porcelain different fortress, but quite easy to beat. Has a blue or gray tint, if it is not subjected to special treatment. Technology of production of bone china easier it strong, not brittle, is ivory. Very soon, bone china was copied firms Minton, Coalport, Davenport, Derby, Worcester Porcelain factory and Herculaneum in Liverpool. Later the technology of bone china was used in factories New Hall (1810), Wedgwood (1812g.), Rockingham (1820). As well as the shape and design, quality porcelain differed depending on which factory it was made. Some factories in the 1820s. tended to produce bright white porcelain, richly...
Soft porcelain
Soft porcelain was first developed in Florence, he appeared in Europe two centuries before solid. Often called Medici porcelain or artistic. But today, you can hear a name like "frittovy porcelain", implying the manufacturing method. Soft porcelain from which the mostly art products, more transparent than solid, but its heat resistance is much lower. Compared with hard - soft farforor clearer, whiter, softer and "melodic". The easiest way to distinguish the soft porcelain from a solid, if you hold a knife to the glaze. Solid such barbaric experiments will not affect, but the soft glaze will crack. Soft porcelain is quite sensitive to the rapid changes in temperature, make it a mixture of glassy materials containing sand, nitrate, sea salt, baking soda, alabaster supply, which gives better "translucence" porcelain, but in this case, however, the strength and heat resistance porcelain reduced in 2 times. Soft porcelain is of several types: feldspar, ...
Porcelain, about
Porcelain (Turkish farfur, fağfur, from Persian. Faghfur) - kind of ceramics , impervious to water and gas. In a thin layer rayed. With a light blow with a wooden stick produces a characteristic high, clear sound. Depending on the shape and thickness, the tone is different. Properties Porcelain usually get hard firing fine mixture of kaolin, quartz, feldspar and plastic clay (this is called a feldspathic porcelain). The term "porcelain" in the English language is often applied to the technical ceramics: zircon, alumina, lithium, etc. bornokaltsievy porcelain, reflecting the high density of the relevant special ceramic material. Porcelain also vary depending on the composition of the porcelain mass on the soft and hard. Soft porcelain is different from the solid is not hard, but the fact that the soft porcelain firing of the liquid phase is formed more than firing a solid, and therefore higher risk of deformation of the workpiece during the firing. Hard porcelai...