Stephen Hales

（重定向自Hales, Stephen）

From Vegetable Staticks, opposite page 262

Image of a Ventilation Bellows devised by Stephen Hales

Stephen Hales,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 was a philanthropist and wrote a popular tract on alcoholic intemperance.

单词	Hales, Stephen
释义	Hales, Stephen 英语百科 Stephen Hales （重定向自Hales, Stephen） Stephen Hales,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 was a philanthropist and wrote a popular tract on alcoholic intemperance.
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