Making and Knowing
A minimal edition of BnF Ms Fr 640 in English Translation

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Gilding wood

First of all it is necessary to apply a coat of very clear glue; and when it is dry, you will apply a coat of yellow gold; and when this is done you will take fig tree wood and soak it for a while, and wash the place you want to gild, and cut your gold with a knife near where you will put it; and said gold must be applied with cotton, and if you can find some fig tree, take an egg white and stir it frequently.

If your gold does not have a nice enough color, you will take a partridge feather burn it in a chafing—dish, and turn the smoke toward what you have gilded.