And Royal Blue Of The Artist And High-class Manufacturer But The

: ON THE PRIMARY, BLUE.

strict stability which is a feature in smalt when used for painting on

glass and enamel does not follow it to the studio: both in water and oil

its beauty soon decays, as is often the case with other vitrified

pigments; nor is it in other respects eligible, being, notwithstanding

its richness and depth, very inferior to the cobalts preceding. It may

seem a paradox that the same colour should be at once so durable and so



More

;