ckoxide of manganese may be added to the red clay.The result of this will probably be that the browni lay will shrink more than the red, crackling awayalong the lines of the ornament. In such case afurther admixture must be made such as this: Red clay 74 Manganese oxide 6 Kaolin 10 Ground flint 10… … THE FINISHED PRonrrj BUILT lOTTERYl.XXI Possibilities of Clay
Art · Decoration and ornament
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