McLaughlin, M. Louise (Mary Louise), 1847-1939 · Cincinnati : R. Clarke · leaf 32
28 POTTERY DECORATION. CHAPTER II. COLORS FOR PAINTING UNDER THE GLAZE. … ors used under the glaze have less flux or fusible matter in their com- position than those used for painting overglaze: this is necessary, because in the former the colors are expected to bear a much greater degree of heat in firing than in the latter. They are so prepared as not to fuse except at…
Pottery, American
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.