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BORELLI, Joh. Alphonsi.
De Motu Animalium. Editio Altera. Correctior & emendatior.

pp. (xvi), 280, (xviii) Index and Errata; (iv), 365, (xv) Index. With additional engraved title page and 18 folding engraved plates. Contemporary vellum, one leaf torn and at one time mended with tape now removed though leaving a brown mark on the recto of the leaf, see-through stain on the verso and dusty margins recto, the final fourteen leaves with a fore-margin puncture affecting only a couple of letters, the puncture also affecting the first three plates but only into the image on the last one making a very small hole in one figure, some leaves browned, in other ways a clean copy in good condition.

*GARRISON-MORTON #762 - 'Borelli originated the neurogenic theory of the heart's action and first suggested that the circulation resembled a simple hydraulic system. He was the first to insist that the heart beat was a simple muscular contraction. Borelli was a representative of the Iatro-Mathematical School, which treated all physiological happenings as rigid consequences of the laws of physics and mechanics.' EVAN BEDFORD Library #218, part II, first edition only - 'This second part contains his work on the circulation and motion of the heart. Unlike Descartes he accepted Harvey's view of the propulsive power of systole. He studied the mechanics of systole, the force of the heart, and the hydraulics of the flow of blood in the arteries.' BORELLI (1608-1679) had been elected to the chair of mathematics at Pisa in 1659, leaving his post in Messina where he had taught mathematics from 1635. At that time he was, after Cavalieri, the foremost mathematician in Italy. In addition, he had a flourishing anatomical laboratory in his own house in Pisa and taught many students there, including Marcello Malpighi, twenty years his junior. They became firm friends, both working on the mechanics and structure of blood flow and the heart. Borelli's major work, the De Motu Animalium, was published posthumously and shows the influence of Malpighi. In addition to external motions, the mechanics of the bones acting as levers and of the muscles attached to them, Borelli studied internal movements, the muscles themselves, circulation, respiration, the secretion of fluids and nervous activity. In his studies of locomotion, he included the insects, reptiles and birds and observed athletes climbing and jumping, swimming [obviously including fishes] and even walking under water with a diving apparatus. See DSB.

Johannem de Vivie, Cornelium Boutesteyn, Danielem Gaesbeek, & Petrum vander Aa. Lugduni in Batavis.

Date Published: 1685 [Second edition]. 4to. 2 volumes in 1.

Stock No. 56120

Price: 1,200.00