found: Work cat.: Carney, Margaret. Lithophanes, 2008:t.p. (Lithophanes) p. 9 (porcelain plaques formed in a mold cast from a model made in wax, which when back lit have the appearance of being painted in grisaille)
found: A&AT, Oct. 21, 2008(lithophanes; translucent porcelain plaques produced from 1830 to ca. 1900, most in Germany by the Royal Porcelain Manufactory in Berlin and by Meissen, and in England by Minton and Copeland. Relief molds of decorative motifs, usually based on paintings, were impressed into hard-paste porcelain while in its soft state so that after firing the image would be visible by transmitting light through the plate; process invented by Baron Paul de Bourgoing and patented in France in 1827)
found: Grove art online, Oct. 21, 2008:under Germany/Ceramics/Porcelain/Before 1800 (lithophanes made of thin, unglazed porcelain were introduced; their impressed decoration appeared against the light as a picture composed of light and shade)
