Hales, Stephen

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Stephen, English physiologist, 1677-1761.
Hales piesimeter - a glass tube inserted into an artery at right angles to its axis to measure pressure.
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References in periodicals archive ?
What medical measurement did the Rev Stephen Hales first observe in 1733?
Stephen Hales pressured his flock to follow the words of the bible.
Reports of spontaneous combustion and the burning of spirits were seriously debated in the Royal Society, enamoured by theories of combustible substance, known as phlogiston to serious philosophers like the Christian reformer and natural philosopher, Stephen Hales. But critics ran up against two essential obstacles.