Aphorismi Urbigerani, or, Certain rules, clearly demonstrating the three infallible ways of preparing the grand elixir, or circulatum majus of the philosophers : discovering the secret of secrets, and detecting the errors of vulgar chymists in their operations : contain'd in one hundred and one aphorisms, to which are added The three ways of preparing the vegetable elixir, or, Circulatum minus /