Making and Knowing
A minimal edition of BnF Ms Fr 640

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if you cannot find it, and cover the said wood with this powder, until it is cool, & you will make it boil again, & boiling it, one will see if it is black enough or not. If it is not enough, you take the said powder & put it on the said wood while boiling.

For making wood green

One needs to take one quart of white vinegar & one ounce of green & one ounce of alun de glace, all mixed together, and you will put your substances into a leaded pot over the fire without taking air, &then put the pot in a dung heap for fifteen days, and once it is out, you will boil your substances for the space of three hours.

For making wood red

Take one quart of old urine and three ounces of madder & one ounce of alung de glace, and you will put all in your pot, & and do as with green.

For making it blue

Take one quart of urine as above and one ounce of alum & two drams of sal ammoniac & half an ounce of pastel flowers, the whole made into powder, and do as with green.

For making it violet

Take one quart of urine & one ounce of alum & two drams of sal ammoniac & one of lake, & do as above.

For making it yellow

Take urine as above and two ounces of woad & one ounce of fustet and two ounces drams of sal ammoniac, & do as above.