Variety of surprising experiments made of two incomparable medicines: elixir febrifugum martis, and salt of lymons [electronic resource] : Shewing their vertues, use and operations: being the peculiar secrets and aquisitions of the author. Moses stringer, Chymist and Physitian, at his laboratory in Hugh's-Court, Black-Fryers near Ludgate. Where are also prepared a great variety of chymical medicines.