The 17th century manuscript, which was handwritten by Isaac Newton, describes a procedure for making mercury—a substance that alchemists thought could turn lead into gold. Sir Isaac Newton Image: Godfrey Kneller As reported in Chemistry World, the US Chemical Heritage Foundation has purchased the document, which languished in a private collection for decades. The newly surfaced manuscript was authored by an American chemist but handwritten and owned by Isaac Newton.

Source: Rediscovered Manuscript Shows How Isaac Newton Dabbled In Alchemy