Sentence:  I ſaw in the Year 1709. a notable inſtance, where a Phyſician order'd the Patient to be Bled five times in a <WSD>Mercurial</WSD> Salivation in a Caſe not "Venereal"; when he did ſpit at the rate of ℔ iv. "per diem", and it was at the height, and yet notwithſtanding it did continue for all this, and the Patient eſcap'd with his Life. 
Meaning of the word marked with <WSD> tags:  Caused by the action of mercury or a mercury compound.