blue on the underneath, and it is popularly supposed that the color has gone through the plate. This is an error, the stain being caused by the color on the plate underneath "jumping" as it is termed. In making hard porcelain the glaze requires the hardest fire. A French oven is divided in two… … bowl as he does for sixty small ones. am indebted to the {For the illustrations of Filter-Press, the Jolly and Turning, 1 courtesy of The Potters'1 Co-operative Co. , East Liverpool.)
Pottery
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
