The recipe
Ingredients
Directions
Infuse the sulphate of copper, French bole, and camphor in boiling water.
Strain the mixture.
Dilute the strained mixture with cold water.
Apply three times a day.
Recipe from a historical cookbook (Internet Archive).
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
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