Leonard, Anna B, Robineau, Adelaide Alsop, 1865?-1929 · Syracuse, N.Y. [etc.] : Keramic Studio Publishing Co · leaf 296
terestingaction of rutile over cobalt blue. Cobalt blue gives a richblue and has a coloring power with which no other metallicoxide can compare. However, in a reducing fire the tonefrequently turns to black, sometimes with metallic iri-descence. But the addition of rutile to cobalt blue producesa… … li STUDY OF FISH IN GREENS—HENRIETTA BARCLAY PAIST rutile with the blue of cobalt. Very often the combinationis not thorough and the surface of the glaze shows an inter-esting mixture of green and blue spots. Here is the formulawhich has oftenest given me this curious result: Feldspar 27 Frit C…
Pottery · Decoration and ornament
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from La prima-[quinta] parte della luce del dipingere et disegnare, ... (1643)](https://img.insideoutlibrary.com/img/200/ia-laprimaquintapar00pass-432-391.webp)
