Stephen Hales

Stephen Hales (17 September 16774 January 1761) was an English clergyman who made major contributions to a range of scientific fields including botany, pneumatic chemistry and physiology. He was the first person to measure blood pressure. He also invented several devices, including a ventilator, a pneumatic trough and a surgical forceps for the removal of bladder stones. In addition to these achievements, he was a philanthropist and wrote a popular tract on alcoholic intemperance. Provided by Wikipedia

21
by Hales, Stephen
Published 1769
printed for Wilson and Nicol, in the Strand; T. Durham, near Charing Cross; G. Keith, in Grace-Church Street; and Robinson and Roberts, No. 25, in Pater-Noster Row

24
by Hales, Stephen
Published 1731
printed for W. Innys, at the West End of St. Paul's ; T. Woodward, at the Half-Moon over-against St. Dunstan's Church in Fleetstreet ; and J. Peele, at Locke's Head in Amen-Corner

25
by Hales, Stephen
Published 1739
printed for W. Innys and R. Manby, at the West End of St. Paul's; and T. Woodward, at the Half-Moon between the Temple-Gates, in Fleet-Street

26
by Hales, Stephen
Published 1754
printed for B. Dod, Bookseller to The Society for promoting Christian Knowledge, at the Bible and Key in Ave-Mary Lane, near Stationers-Hall

27
by Hales, Stephen
Published 1727
printed for W. and J. Innys, at the West End of St. Paul's; and T. Woodward, over-against St. Dunstan's Church in Fleetstreet

31
by Hales, Stephen
Published 1734
Printed for Joseph Downing, in Bartholomew-Close