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Three stages in the making of a pinched
Water bottle from Peru
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alumina Ball clay base biscuit body bone china borax boric oxide bowl brush calcined calcium carbonate cast China clay China stone clean cobalt coils colouring pigment cone copper damp decoration deflocculant dish earthenware edge evenly felspar ferric oxide finger firing flat flint flux footring formula frit grog hand handle heat hollow inch inside iron jigger and jolley kiln lead glaze leather-hard lime litharge maiolica manganese materials metal mixed mixture molecular mould Museum opaque oxidising painting pattern piece of clay plaster is poured plastic clay porcelain possible potash pottery produce pulled quartz recipe refractory round salt sand shrinkage sieve silica slip smooth soda sodium sodium oxide soft glazes spout stoneware glaze studio potter surface temperature texture thickness thin things thrown shapes tiles tin glaze tints tool turned ware weight wheel