Note 42 — Chapter X · THE WONDERFUL EFFECTS OF HEAT—(concluded).
Reading edition
Chlorine gas was called “oxy-muriatic acid” when Davy was a boy, from being supposed to be a compound of oxygen and muriatic acid gas. Davy, however, afterwards proved that this same oxy-muriatic acid contained no oxygen whatever, and was rather an elementary substance, being incapable of being resolved into any two other bodies.