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MAKING FOLIUM FROM ROASTED ASHES. “...when they have been white hot for a very long time, and after they have cooled, put some of them in an earthenware pot, pour in some urine and stir with a piece of wood. When the preparation has settled and become clear, pour on sone red folium, lightly grind it on a stone and add to it a fourth part of quicklime.” (Etc). https://lnkd.in/d7yzXt5 View in LinkedIn

BOOK COLORS. “Salt Green is of no use for a book. Spanish Green you mix with pure wine, and, if you wish to make shadows, add a little of the juice of the iris, cabbage or leek. Red lead, flake-white and vermillion you mix with the white of an egg.” https://lnkd.in/d7yzXt5 View in LinkedIn

DRAPERY COLORS. “On this colour when it is dry, a thin glaze of azure blue, mixed with the yolk of an egg which has been diluted with a lot of water, is spread, and in top of this again a thicker glaze to enhance its beauty. “ https://lnkd.in/dh4ZPzF View in LinkedIn

THE FIRST ROSE COLOR. “Mix with the plain flesh colour a little vermillion and a little red lead.” https://lnkd.in/d7yzXt5 View in LinkedIn

ON THE MIXING OF FLESH COLORS. “Take flake-white -- which is white made from lead -- and, without grinding it, out it just as it is, dry, into a copper or iron pot, place it over a fire and heat it until it has changed to a yellow colour. Then grind it and mix it with some ordinary flake-white and vermillion until it becomes the colour of flesh.” https://lnkd.in/d7yzXt5 View in LinkedIn

VERMILLION. “Take some sulphur of which there are three kinds -- white, black, and yellow. Break it up on a dry stone, and add to it two parts of quicksilver, weighing them on the scales...put them in a glass jar, stop up the mouth so that no vapour can escape, and put it on a fire to dry. Then place it on a burning fire, and, when it begins to get hot, you will hear a crackling noise inside caused by the quicksilver combining with the burning sulphur. When the noise has stopped, remove the jar at once, open it and take the colour.” (ie: S + Hg --> HgS, a toxic process to say the least.) https://lnkd.in/d7yzXt5 View in LinkedIn

THE MEDIEVAL ARTIST. “His skill, he sees, above all else, as a gift from God...which can still be used to reflect something of the essential purpose of Man -- the praise of God. The art itself, for him, a work of beauty, but it is far more, for it is an act of worship and praise.” https://lnkd.in/d7yzXt5 View in LinkedIn

FOUR GLASS KILNS NEEDED BUILDING. “Again, before making stained glass, one must know how to make the kilns, the vessels to contain the ingredients and also the glass itself.” Not to mention the exacting and complex recipes for making the glass paints, and colored glass. https://lnkd.in/d7yzXt5 View in LinkedIn

MAKING EVERYTHING YOURSELF. It was not sufficient for a metalworker to know metal. “Before embarking on metalwork one must learn what kind of workshop to build, how to make the work-furnace, the bellows, the anvils, hammers, pincers, files, chisels, rasps, chasing tools, crucibles and so on, and also have some knowledge of how the relevant metal is itself produced.” https://lnkd.in/d7yzXt5 View in LinkedIn

Light can completely change a familiar image into something different. View in LinkedIn