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TAke unslacked Lime, which dissolve with Whites of Eggs, and Linseed Oyl; of it make several Balls; into one put Lake to make it red, your Lake must be in very fine Powder; in another, Azure for blue; in another, Verdigreece for green; and so of other
Colours, keeping one or two white; squeeze all these Balls flat, and lay them one upon another, the white ones in the middle, then with a Knife cut slices all the length of the Paste, and having cut it all, mix all the slices in a Mortar and beat them, when thus mixed you will have a fine Jasper stone; take it, and with a Masons Trowel or your Hands, spread it upon the Place you design it for, striking it over till you see it sticks; being polished, if you have not before put Oyl to it, but only the Whites of Eggs, boil some, and lay it scalding hot upon the Work, running it all over as long as it drys in, for the Oyl will soak in and give it a good Gloss, but if you put in the Linseed Oyl at first to dissolve the Lime, there is no need of adding any more: that done, dry your Work in the Shade.
Of this Jasper you may make Chaplets, the Work whereof being cast in a Mould, you must lay them in a Pot full of Linseed Oyl, where they will dry and vernish.