The main text of the book and the guide for the wise, by Al-Mu'izz ibn Badis

Preparation Steps

Original Recipe Text

Take minium, white ceruse, and white alum, one part of each. Grind the whole and grind it very finely. Make it into balls and dry them in the shade. When needed, pour a little green vitriol water over it, then rub the writing with the tip of the pen, then write over it whatever you wish.

Remarks

This recipe describes a method for erasing writing from paper, using minium, white ceruse, and white alum ground very finely, made into balls, and dried in the shade. Green vitriol water is poured over it, then the writing is rubbed with the tip of the pen.