Choice Secrets Made Known
To Make True Magistery of Pearl
Dissolve two or three ounces of fine seed Pearl in distilled Vinegar, & when it is perfectly dissolved, and all taken up, pour the Vinegar into a clean glass Bason; then drop some few drops of Oyl of Tartar upon it, & it will cast down the Pearl into fine Powder, then pour the Vinegar clean off softly, then put to the Pearl clear Conduit or Spring water; pour that off, and do so often untill the taste of the Vinegar and Tartar be clean gone, then dry the powder of Pearl upon warm embers, and keep it for your use.