Blood pressure experiment

Blood pressure experiment

N930/0004

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Caption

Blood pressure experiment. Historical artwork of an experiment to discover the blood pressure of a horse. The horse has a glass tube stuck in an artery in its neck. This experiment was carried out by the English chemist and physiologist Stephen Hales (1677-1761), seen sitting at lower right. His assistant measured the blood as rising 9 feet up the 11 foot long tube. Blood pressure forces the blood along the arteries. He dealt with blood circulation and pressure in his 1733 book Haemastaticks.

Release details

Model release not required. Property release not required.

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