… colours, vitrifiable enamels and glazes, engobes (slips), liquid lustres and similar preparations, of a kind used in …
Explanatory notes
… colours, vitrifiable enamels and glazes, engobes (slips), liquid lustres and similar preparations, of a kind used in … colours are dry mixtures formed by the heat treatment of oxides (of antimony, silver, arsenic, copper, chromium, …