The compound of alchymy. Or The ancient hidden art of archemie conteining the right & perfectest meanes to make the philosophers stone, aurum potabile, with other excellent experiments. Diuided into twelue gates. First written by the learned and rare philosopher of our nation George Ripley, sometime Chanon of Bridlington in Yorkeshyre: & dedicated to K. Edvvard the 4. Whereunto is adioyned his epistle to the King, his vision, his wheele, & other his workes, neuer before published: with certaine briefe additions of other notable writers concerning the same. Set foorth by Raph Rabbards Gentleman, studious and expert in archemicall artes.