...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...

...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...

...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...

...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...

...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...

...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...

...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...

...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...

...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...

...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...