LINK Lost Recipe for Medieval Blue Ink Found
The pigment known in the Middle Ages as folium was famous for its gorgeous blue/purple color and its staying power. Although it, along with the more well-known blue indigo pigment, was used to dye textiles, it was mostly used by monks to illuminate manuscripts.
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Great, maybe somewhere I can find seeds of that plant and grow it to make my own 'blue' dye.
A few years ago I tried the ancient, well somewhat old, method of using thec deep red juice from the beetroot to dye some curtains in my house.
It worked well and the curtains have retained their colour even after regular and frequent washings and compared to the commercially dye curtains that have faded only after a dozen or so washings they are still as good as the day I dyed them.
Triphid
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