| William Nicholson - 1809 - 752 pages
...when quite dry the glass is put in a stove heated to about the temperature of an annealing oven, th« gum burns off, and the borax by vitrifying cements...gilding upon porcelain is in like manner fixed by fire and borax ; and this kind of ware being neither transparent nor liable to soften, and thus injure... | |
| William Nicholson - Natural history - 1809 - 700 pages
...glass, with a clean camels' hair pencil ; when quite dry the glass is put in a stove heated to about the temperature of an annealing oven, the gum burns off,...glass;. after which it may be burnished. The gilding npon porcelain is in like manner fixed by fire and borax ; and this kind of ware being neither transparent... | |
| John Mason Good - 1813 - 714 pages
...with a fine camel's hair pencil; when quite dry, the glass ie put into a stove heated to about the temperature of an annealing oven, the gum burns off, and the borax, by vitrifying,cements the gold with great firmness to the glass; after which it may be burnished. The... | |
| William Nicholson - Natural history - 1819 - 394 pages
...glass, with a clean camel's hair pencil: when quite dry, the glass is put in a stove heated to about the temperature of an annealing oven, the gum burns off,...gilding upon porcelain is in like manner fixed by (ire and borax; and this kind of ware being neither transparent nor liable to soften, and thus injure... | |
| John Mason Good - 1819 - 800 pages
...temperature of an annealing oven, the gum burns oil', anil !'u-hora.\,b} vitrifying, cements the goldwith great firmness to the glass ; after which it may be...gilding upon porcelain is in like manner fixed by fire and borax; and this kind of warehc'Dg oeithertranspnrent nor liable to soften, >nd thus injure... | |
| Colin MacKenzie - 1821 - 724 pages
...glass, by a camel's hair pencil ; when quite dry, the glass is put into a stove heated to about the temperature of an annealing oven ; the gum burns off,...the Gold with great firmness to the glass ; after wliich it may be burnished. Observation. The gilding upon porcelain is in like manner fixed by heat... | |
| Colin Mackenzie - Chemistry - 1822 - 774 pages
...glass, by a camel's hair pencil ; when quite dry, the glass i? put into a stove heated to about the temperature of an annealing oven ; the gum burns off,...firmness to the glass ; after which it may be burnished. Observation. The gilding upon porcelain is in like manner fixed by heat and the use of borax; aud this... | |
| Daniel H. Whitney - Cholera - 1835 - 614 pages
...an annealing oven, the gum burns off (the varnish first spoken of being applied as directed in 173,) and the borax by vitrifying cements the gold with...may be burnished. The gilding upon porcelain is in the liko manner fixed by heat and the use of borax. It may be brought to a low red heat. Porcelain... | |
| Science - 1842 - 496 pages
...glass, by a camel's hair pencil ; when quite dry, the glass is put into a stove heated to about the temperature of an annealing oven ; the gum burns off,...vitrifying, cements the gold with great firmness to tbe glass ; after which it may be burnished. The gilding upon porcelain is in like manner fixed by... | |
| Colin MacKenzie - 1853 - 498 pages
...wears oft': on this account tne practice ut burning it in, is sometimes had recourse to. I 15 about the temperature of an annealing oven; the gum burns off, and the borax, by vitrifying1, cements the gold with great firmness to the glass; after which it may be burnished. The... | |
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