Dictionarium polygraphicum. To colour the barrels of quills red.

Dictionarium Polygraphicum:
Or, The Whole Body of Arts Regularly Digested.
Vol II.
London: Printed for C. Hitch and C. Davis in Pater-noster Row, and S. Austen in St. Paul's Church Yard. MDCCXXXV.
Take a pint of vinegar, put into it half an ounce of alum powdered, vermilion, and the fine scrapings of Brasil wood, of each one ounce; boil them 'till the liquor begins to thicken; then strain it, and put the liquor into a narrow deep skillet, and when it boils, hold the barrels of the quills in the liquor, until they change their colour, and this will harden them also.
To tinge them yellow, you may use a pennyworth of saffron, and an ounce of turmerick also in powder.

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