American Edition of the British Encyclopedia: Or, Dictionary of Arts and Sciences ; Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Volumen6Mitchell, Ames and White, 1819 |
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... glass or earthen mortar some gold- leaf , with a little honey or thick gum - wa- ter , and grind the mixture for a consider- able time , till the gold is reduced to ex- tremely minute fragments ; when this is done , a little warm water ...
... glass or earthen mortar some gold- leaf , with a little honey or thick gum - wa- ter , and grind the mixture for a consider- able time , till the gold is reduced to ex- tremely minute fragments ; when this is done , a little warm water ...
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... glasses , and other utensils of this material , are sometimes , especially in Germany , gilt on their edges ; this is done ... glass is to be placed by the fire side , or in a stove , till it is so warm as almost to burn the fingers when ...
... glasses , and other utensils of this material , are sometimes , especially in Germany , gilt on their edges ; this is done ... glass is to be placed by the fire side , or in a stove , till it is so warm as almost to burn the fingers when ...
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... glass , with a clean camel's hair pencil : when quite dry , the glass is put in a stove heat- ed to about the temperature of an anneal- ing oven , the gum burns off , and the borax by vitrifying cements the gold with great firmness to the ...
... glass , with a clean camel's hair pencil : when quite dry , the glass is put in a stove heat- ed to about the temperature of an anneal- ing oven , the gum burns off , and the borax by vitrifying cements the gold with great firmness to the ...
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... glass . Metallic oxides are sometimes ad- ded , as well to assist in the fusion , as to communicate certain colours to the mass . If the melted glass be suffered to cool very slowly , the different tendency of the constituent parts to ...
... glass . Metallic oxides are sometimes ad- ded , as well to assist in the fusion , as to communicate certain colours to the mass . If the melted glass be suffered to cool very slowly , the different tendency of the constituent parts to ...
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... Glass is often tinged of various colours , which is performed by mixing with it , while in fusion , some one of the metallic oxides . Thus blue glass is formed by the oxide of cobalt ; green by the oxide of iron , or copper ; violet by ...
... Glass is often tinged of various colours , which is performed by mixing with it , while in fusion , some one of the metallic oxides . Thus blue glass is formed by the oxide of cobalt ; green by the oxide of iron , or copper ; violet by ...
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acid action ammonia angle animals appears applied arms axis body botany called calyx capsule cause centre circle class and order colour common consists contains corolla crude iron degree denote diameter drupe earth ecliptic equal Essential character feet five flowers fluid four genus give given glass globe gold grains habeas corpus heat Hence heraldry hermaphrodite horizon hygrometer hyperbola inches insects insured Jussieu kind King length less manner matter means ment meridian metal Monogynia class motion muriatic acid Natural order neral nitric acid nouns observed oxide person petals piece plane plants plates produced proportion quantity racter right line round seed ship side solution sometimes species specific gravity spring square steel substance sulphur sulphuric acid supposed surface tain term thing tion tural verb vessel weight whence whole words