Chemical Technology: Or, Chemistry, Applied to the Arts and to Manufactures, Volume 2

action alkali alum alumina apertures borax bottom bricks burning burnt calcined carbonate of lime carbonic acid cement cent chemical chloride coal cobalt color composed composition consequently consists contain cooling copper crystals cylinder decomposed dissolved earthenware easily employed equivs evaporation feet felspar fire flame flint-glass fuel furnace fusible fusion glaze green vitriol ground gypsum hydraulic inches ingredients kaolin kiln kind latter layer limestone liquor magnesia manganese manner manufacture mass melted metal mixed mixture mortar mould obtained operation ordinary oxide of iron particles pieces pipe placed plastic clay plate porcelain portion potash pots powder precipitated prepared produced proportion Protoxide of iron purple of Cassius quantity quartz red heat removed render reverberatory furnace salt sand seggars Sèvres shaft side silica slaked soda solution stone stone-ware substance sulphate sulphate of alumina sulphuret sulphuric acid surface temperature thickness tiles trace vessels ware workman