 | Royal Society of Arts (Great Britain) - Industrial arts - 1820 - 864 pages
...and of quartz, is ground to a fine powder, and being thus prepared, I mix with 27 parts of felspar, 18 of borax, 4 of Lynn sand, 3 of nitre, 3 of soda, and 3 of Cornwall China clay. This mixture is to be melted to a frit, and is then to be ground to a fine powder, 3 parts... | |
 | Science - 1821 - 464 pages
...products which require to be repeatedly heated or fired. The chief ingredient of Mr Rose's glaze is pale flesh-red coloured feldspar of a somewhat compact...borax, 4 of Lynn sand, 3 of nitre, 3 of soda, and 8 of Cornwall china-clay. This mixture is melted into a frit, and ground to a fine powder, 3 parts... | |
 | 1821 - 538 pages
...from all adhering pieces of slate and quartz, is ground to a pipe-powder ; and being thus prepared, 27 parts of it are mixed with 18 of borax, 4 of Lynn sand, 3 of nitre, 3 of soda, and 3 of Cornwall china clay. This mixture is to be melted to a frit, and is then to be ground to a fine powder, three... | |
 | William Newton, Charles Frederick Partington - Industrial arts - 1821 - 538 pages
...from all adhering pieces of slate and quartz, is ground to a pipe-powder; and being thus prepared, 27 parts of it are mixed with 18 of borax, 4 of Lynn sand, 3 of nitre, 3 of soda, and 3 of Cornwall china clay. This mixture is to be melted to a frit, and is then to be ground to a fine powder, three... | |
 | 1821 - 468 pages
...adhering pieces of slate and quartz, is ground to a fine powder ; and, being thus prepared, 27 parts are mixed with 18 of borax, 4 of Lynn sand, 3 of nitre, 3 of soda, and 3 of Cornwall china clay. This mixture is melted into a frit, and is then ground to a fine powder, 3 parts of calcined... | |
 | Industrial arts - 1821 - 454 pages
...a fine powder, and being thus prepared, I mix with 27 parts of felspar 18 of borax, 4 of Lynn-sand, 3 of nitre, 3 of soda, and 3 of Cornwall china-clay. This mixture is to be melted to a frit, and is then to be ground to a floe powder, 3 parts of calcined borax being... | |
 | Colin Mackenzie - Chemistry - 1822 - 774 pages
...products which require to be repeatedly heated or fired. The chief ingredient of Mr. Hose's glaze is pale flesh-red coloured feldspar of a somewhat compact texture, which forms veins in a slaty rock near Welsh Pool in Montgomeryshire. When freed from all adhering pieces of slate and quartz, the feldspar... | |
 | Luke Herbert - Industrial arts - 1826 - 408 pages
...of .quartz, is ground to a fine powder; and being thus prepared, I mix, .with 27 parts of felspar, 18 of borax, 4 of Lynn sand, 3 of nitre, 3 of soda, and 3 of Cornwall china clay. This mixture is to be melted to a frit; and is then to be ground to a fine powder, 3 parts... | |
 | Thomas Webster - 1845 - 598 pages
...lead, as white glass and soda. Mr. Rose, in Coalport, Shropshire, makes his glaze of 27 parts feldspar, 18 of borax, 4 of Lynn sand, 3 of nitre, 3 of soda, and 3 of Cornish China clay. Before the invention of this method of applying designs to earthen-ware, table... | |
 | Thomas Webster, Mrs. William Parkes - Home economics - 1852 - 1298 pages
...lead, as white glass and soda, Mr. Rose in Coalpprt, Shropshire, makes his glaze of 27 parts felspar, 18 of borax, 4 of Lynn sand, 3 of nitre, 3 of soda, and 3 of Cornish china clay. Before the invention of this method of applying designs to earthenware, table services... | |
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This mixture is to be melted to a frit, and is then to be ground to a fine powder, 3 parts of calcined borax being added previously to the grinding. 
