Observations on Mount Vesuvius, Mount Etna, and other volcanos: in a series of letters, addressed to the Royal Society / from the Honourable Sir W. Hamilton ... To which are added, explanatory notes by the author, hitherto unpublished.

  • Hamilton, William, Sir, 1730-1803.
Date:
1772
Catalogue details

Licence: Public Domain Mark

Credit: Observations on Mount Vesuvius, Mount Etna, and other volcanos: in a series of letters, addressed to the Royal Society / from the Honourable Sir W. Hamilton ... To which are added, explanatory notes by the author, hitherto unpublished. Source: Wellcome Collection.

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    MOUNT VESUVIUS, &c. . ‘beét at the Ebb ‘of Mount Vetuvius in fair weather, I have ‘fometimes found fo little’ {moke that I have been ‘able to fee fae down the mouth of the Volcano, the ‘fides of Which wete incrufted with falts and minerals of various colors, white, ereen, deep and pale yellow. The fmoke that HfGed from the mouth of the Volcano jh bad. weather was white, very moift, and not near fo offenfive as the fulphure- ous {teams from various cracks on the fides of the mountain. Towards the month of September laff, I perceived the fmioke to be more con- fiderable, and to continue even in fair wea- ther; ‘and ‘in Oétober I perceived fome- times a puff of ‘black fmoke fhoot up a confiderable height in the midft of the white, which fymptom of an approaching eruption’ grew ‘more frequent daily; and foon after, thefe puffs of fmoke appeared in the night tinged hke clouds with tite fetting: fun. B 2 About