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Hill presents his experimental observations on the influence of the force of gravity on the circulation. He writes: 'I have found that on attempting [...] to fill the circulatory system of the dead animal with salt solution, the arterial part of the system does not remain filled, for the salt solution rapidly leaks into the splanchnic venous area. By alternately placing the animal with feet down or with feet up, a pumping action is produced which gradually forces the salt solution out of the arterial system into the venous side, where it remains. The indifferent point, therefore, cannot be found on the dead body.'

Subject: Physiology

Received 19 November 1894. Read 13 December 1984. Communicated by [Edward Albert] Schaefer.

Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 57 of the Proceedings of the Royal Society as 'The influence of the force of gravity on the circulation'.

An abstract of this paper was published by Hill in The Lancet: Hill, Leonard. 'THE INFLUENCE OF THE FORCE OF GRAVITY ON THE CIRCULATION.' The Lancet, volume 145, number 3728 (1895), pp. 338-339.

A version of this paper was published by Hill in the Journal of Physiology: Hill, Leonard. 'The Influence of the Force of Gravity on the Circulation of the Blood.' The Journal of Physiology, volume 18, number 1-2 (1895), pp. 15-53.

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Leonard Erskine Hill

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Leonard Erskine Hill, Unpublished paper, 'The influence of the force of gravity on the circulation' by Leonard Hill, 1894, AP/71/2, The Royal Society Archives, London,, accessed on 28 May 2024

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    Dates: 1768-1989

    The 'Archived Papers' collection is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.

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