Experiments upon the circulation of the blood, throughout the vascular system : on languid circulation, on the motion of the blood, independent of the action of the heart, and on the pulsations of the arteries / by the Abbe Spallanzani ; with notes, and a sketch of the literary life of the author, by J. Tourdes ; translated into English, and illustrated with additional notes, by R. Hall.

  • Lazzaro Spallanzani
Date:
1801
Catalogue details

Licence: Public Domain Mark

Credit: Experiments upon the circulation of the blood, throughout the vascular system : on languid circulation, on the motion of the blood, independent of the action of the heart, and on the pulsations of the arteries / by the Abbe Spallanzani ; with notes, and a sketch of the literary life of the author, by J. Tourdes ; translated into English, and illustrated with additional notes, by R. Hall. Source: Wellcome Collection.

Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.

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    OF SPALLANZAJfl. 8t * from them, the mephitis of the grotta del cane, the- lake of Agnano, the mountain which rose from the bowels of the earth in forty-eight hours, Mi- sena, Ischia, and Procida, that seem to have been reluctantly torn from the continent which daily recedes still farther from them. Spallanzani then embarked for Sicily.—Ve- suvius is no more to be compared with Etna, than the volcano of Lemery is with Vesuvius. ]\Iount Etna occupies a space of about 180 miles, rises two miles above the level of the sea, and throws out its products to a distance of fif- teen leagues: its crater is six miles in circumfe- rence. The ascent of mount Etna is attended with a j thousand' difficulties. It is necessary to cross 1 torrents of lava, to creep along on the scoriee, to inhale repeated gusts of mephitic vapours, and to endure an alternate change of the most opposite temperatures. Spallanzani, however, surmounted all these obstacles, and arrived at the summit of the volcano. There, seated on the brink of the crater, he viewed, contemplated, and examined, with a mingled feeling of dread and admiration, the whole of that vast cavern, its form, sides, and bottom, the substances which G are
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