A practical essay on the small-pox : wherein a method of preparing the body before the disease comes on, and of deriving the variolous matter from the vital to the remote parts of the body after the accession, ... The second edition, with additions. To which is added, an account of the principal variations of the weather, and the concomitant epidemic diseases, as they appeared at Rippon, ... from the year 1726, to the end of 1734. By William Hillary. - Hillary, William (printed for C. Hitch; and J. Leake, at Bath, 1740)