| OCR Text |
Show 396 STRUCTURE AND ACTION OF VOLCANOS. B. The lowest and Southern !Jfargin of the Crater, opposite to Bosche Tre Case. Toises. Eng. ft. After the eruption of 1794, this edge bec'ame 400 ( 426 Eng.) feet lower than the Rocca del Palo ; therefore, if we estimo.te the latter at 625 toises (3996 English feet) 559 Gay-Lussac, Leopold von Buch, and Humboldt, 1805, baro-metric - - 534 Humboldt, 1822, barometric - 546 3574 3414 3491 C. Height of the Cone of Scorire inside the Crater, wl!ichfell in on the 22d of October, 1822. Toises. Lord Minto, barometric - - 650 Brioschi, trigonometric, according to different combinations Eng. ft. 4156 either - - 636 4066 Or - - 641 4098 Probable final result, for the height of the above-mentioned cone of scorire, 646 toises, or 4130 English feet. D. Punta Nasone, highest summit of the Somma. Toises. Schucksburgh, 1794, barometric, probably computed by his own formula - 584 Humboldt, 1822, barometric, Laplace's formula - 586 E. Plain of the Atrio del Cavallo. Eng. ft. 3734 3747 Toises. Eng. ft. Humboldt, 1822, barometric - 403 - 2577 F. Foot of the Cone of Ashes. Toises. Gay-Lussac, Leopold von Buch, and Humboldt, 1805, baro-metric - - 370 Humboldt, 1822, barometric - 388 G. Hermitage del Salvatore. Eng. ft. 2366 2481 Toises. Eng. ft. Gay-Lussac, Leopold von Buch, and Humboldt, 1805, baro-metric, - 300 - 1918 Lord Minto, 1822, barometric - - 307.9- 1969 Humboldt, 1822, barometric repeat~d - 308.7- 1974 Part of my measurements have been printed in Monticelli's Storia de' fenomeni del Vesuvio, avvenuti negli anni 1821-1823, p. 115 |
