A system of water-colour painting : being a complete exposition of the present advanced state of the art, as exhibited in the works of the modern water colour school (1867)
Penley, Aaron, 1807-1870 · London : Winsor & Newton · leaf 72
NEWMAN'S … "SLOW DRYING TUBE" MOIST WATER COLORS. Prices the same as ordinary Moist Colors, These Colors have been in constant use by Artists in most parts of the World, and always with satisfactory result. THEY ARE EQUALLY ADAPTED FOR THE STUDIO OE THE FIELD. They remain moist for days and weeks on the…
Watercolor painting
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
