Clay and Glazes for the Potter: All Photos. by the AuthorDiscusses the geological make up of clay, various kinds of clays and the history of the various glazes. |
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Page 5
... relatively more alumina , as shown by analysis in following table of a North Carolina kaolin , but nevertheless the similarity of even this relatively pure clay to the typical composition of the earth's crust as a whole is noteworthy ...
... relatively more alumina , as shown by analysis in following table of a North Carolina kaolin , but nevertheless the similarity of even this relatively pure clay to the typical composition of the earth's crust as a whole is noteworthy ...
Page 10
... relatively non - plastic . There has been little opportunity for fine grinding and sorting . Primary clays , when they have been cleared of rock fragments , tend to be relatively pure and free from contami- nation with non - clay ...
... relatively non - plastic . There has been little opportunity for fine grinding and sorting . Primary clays , when they have been cleared of rock fragments , tend to be relatively pure and free from contami- nation with non - clay ...
Page 81
... relative quantity of apples and of oranges , the best way is to make a count of each . Or , better , we might say that there is one orange for each two apples , for example , which gives an exact idea of the relative quantities . We ...
... relative quantity of apples and of oranges , the best way is to make a count of each . Or , better , we might say that there is one orange for each two apples , for example , which gives an exact idea of the relative quantities . We ...
Contents
Geologic Origins of Clay | 5 |
Kinds of Clay | 17 |
Mining and Preparing Clay | 46 |
Copyright | |
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Common terms and phrases
added addition alkaline glazes alumina ball clay barium base glaze batch boric oxide brown calcium oxide calculation carbonate ceramic chemical China clay chrome oxide clay body cobalt oxide Colemanite coloring oxides combinations composition cone 04 cone 9 cooling copper oxide crazing crystalline deflocculant earthenware engobe feldspar fired clay flint flux frit fusion give glass glaze colors glaze formula grey grog heat high-fired glazes iron oxide K₂O kaolin kiln KNaO lead glazes lead oxide low-fired manganese mixed molecular molecules Na₂O nepheline syenite non-plastic opaque Oxford spar particles percent piece plastic clay porcelain pots pottery present raw materials recipe red clay reduction firing relatively result rutile salt glazing shrinkage silica SiO2 slip glazes small amount smooth soda sodium soluble stain stoneware stoneware clay surface talc temperature texture tin oxide tion ture type of glaze usually ware weight White lead Zinc oxide