Sentence:  Beware alſo of <WSD>"Mercuriall</WSD> lotions", I meane any which haue "Mercurie Sublimate Precipitat" or otherwiſe prepared in them, for though they haue good qualities, yet they are vpon my knowledge and experience dangerous, [...] 
Meaning of the word marked with <WSD> tags:  Of or pertaining to the element mercury or quicksilver; containing mercury. (from 16th c.)