 | William Nicholson - 1808 - 900 pages
...follows : A vessel of green glass is to be filled up to the tup with a mixture of white sand and gvpsuir, and then set in a large crucible upon a quantity of...rather hard. The crucible is then to be covered with alid.tke junctures well luted, and put into a potter's kiln, where it murt remain during the whole... | |
 | Andrew Ure - 1821 - 418 pages
...gypsum, and then set in a large crucible upon a quantity of the same mixture, with which the glass vessel must also be surrounded and covered over, and the...crucible is then to be covered with a lid, the junctures wejl luted, and put into a potter's kiln, where it must remain during the whi>le time that the pottery... | |
 | Andrew Ure - 1828 - 872 pages
...is as follows : A vessel of green glass is to be filled up to the top with a mixture of white sand and gypsum, and then set in a large crucible upon...surrounded and covered over, and the whole pressed down radier hard. The crucible is then to be covered with a lid, the junctures well luted, and put Into... | |
 | Jacob Bigelow - 1829 - 584 pages
...proper form. The vessel is then to be filled to the top with a mixture of white sand and gypsum, and is set in a large crucible upon a quantity of the same...that the pottery is baking, after which the glass will be found changed into a milk white porcelain. An imitation of porcelain which is lately introduced... | |
 | Jacob Bigelow - 1831 - 548 pages
...proper form. The vessel is then to be filled to the top with a mixture of white sand and gypsum, and is set in a large crucible upon a quantity of the same...that the pottery is baking, after which the glass will be found changed into a milk white porcelain. • An imitation of porcelain which is lately introduced... | |
 | Jacob Bigelow - 1831 - 596 pages
...the top with a mixture of white sand and gypsum, and is set in a large crucible upon a quantity v-ft of the same mixture, with which the glass vessels...that the pottery is baking, after which the glass will be found changed into a milk white porcelain. An imitation of porcelain which is lately introduced... | |
 | Andrew Ure - 1831 - 980 pages
...as follows : — A vessel of green glussis to be filled up to the top with a mixture of white sand and gypsum, and then set in a large crucible upon...hard. The crucible is then to be covered with a lid, tin- junctures well luted, and put into a potter's kiln, where it must remain during the whole time... | |
 | Timothy Flint - 1833 - 418 pages
...is the process. A vessel of green glass is to be filled up to the top, with a mixture of white sand and gypsum ; and then set in a large crucible upon...quantity of the same mixture, with which the glass vessel must also be surrounded, and covered over, and the whole pressed down rather hardly. The crucible... | |
 | Jacob Bigelow - 1840 - 418 pages
...proper form. The vessel is then to be filled to the top, with a mixture of white sand and gypsum, and is set in a large crucible, upon a quantity of the same...that the pottery is baking ; after which, the glass will be found changed into a milk-white porcelain. An imitation of porcelain, which is lately introduced... | |
 | Jacob Bigelow - 1840 - 422 pages
...proper form. The vessel is then to be filled to the top, with a mixture of white sand and gypsum, and is set in a large crucible, upon a quantity of the same...that the pottery is baking ; after which, the glass will be found changed into a milk-white porcelain. An imitation of porcelain, which is lately introduced... | |
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... set in a large crucible upon a quantity of the same mixture, with which the glass vessels must also be surrounded, and covered over, and the whole pressed down rather hard. The crucible is then to be covered with a lid, the junctures well luted, and... 