The British encyclopedia, or, Dictionary of arts and sciences, Том 3 |
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... or not capable of being ena- melled on the opposite side , the iron plate must be perfectly flat , in order that the work may not bend when softened by heat . 2. If the work be of considerable size , it is al- ways counter ...
... or not capable of being ena- melled on the opposite side , the iron plate must be perfectly flat , in order that the work may not bend when softened by heat . 2. If the work be of considerable size , it is al- ways counter ...
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The white semitransparent fluor spar and sulphate of lime in equal quantities , powdered , mixed , and calcinated in a white heat ; then pow- dered , made into a thin paste with water , and applied a little warm to the vessel also ...
The white semitransparent fluor spar and sulphate of lime in equal quantities , powdered , mixed , and calcinated in a white heat ; then pow- dered , made into a thin paste with water , and applied a little warm to the vessel also ...
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The others , which require to be fused at as great a heat as that for baking the porcelain , are laid on the general surface . They are much less numerous . The colours for painting are made up very nearly of the same materials as those ...
The others , which require to be fused at as great a heat as that for baking the porcelain , are laid on the general surface . They are much less numerous . The colours for painting are made up very nearly of the same materials as those ...
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It is however very delicate ; a little too much heat or carbonated vapours easily spoil it ; yet it is more beautiful when baked with charcoal than with wood . This colour , and the purple which differs little from it , as well as the ...
It is however very delicate ; a little too much heat or carbonated vapours easily spoil it ; yet it is more beautiful when baked with charcoal than with wood . This colour , and the purple which differs little from it , as well as the ...
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They must not be treated with a violent fire or they would totally disappear , The green grounds by strong heat are made with the oxides of cobalt and nickel , but it is only a brownish green . The bluish greens , named sky - blue ...
They must not be treated with a violent fire or they would totally disappear , The green grounds by strong heat are made with the oxides of cobalt and nickel , but it is only a brownish green . The bluish greens , named sky - blue ...
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