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Cerebral pulse of the boy Cesare Lasagno

Cesare Lasagno, a 14-year-old blacksmith's apprentice, had sustained a wound to the middle of his forehead and a skull fracture after falling from the second story while leaning on his stomach over the bannisters, and "sliding down as boys do." A (Top): Normal curve. B (Middle): Curve of cerebral pulse taken when the rarefaction of the air corresponded to an altitude of 5,111 meters. C (Bottom): Subsequent normal curve. (Source: Mosso A. Life of man on the high Alps. Kiesow EL, trans. London: T Fisher Unwin, 1898:243. Public domain.)