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 ; to which are added, explanatory notes by the author, hitherto unpublished.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:
1773
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 ; to which are added, explanatory notes by the author, hitherto unpublished.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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    from time to time, I could perceive its increale moft minutely. I make no doubt but that the whole of Mount Vefuvius has been formed in the fame manner; and as thefe obfervations feem to me to account for the various irregular ftrata, which are met with in the neighbourhood of Vol¬ canos, I have ventured to inclofe, for your Lordfhip’s infpe&ion, a copy of the above- mentioned drawings. (Plate III.) The lava continued to run over the ancient crater in fmall dreams, fometimes on one fide, and fometimes on another, till the 18th of Odlober, when I took par¬ ticular notice that there was not the lead lava to be feen; owing, I imagine, to its being employed in forcing its way towards the place where it burft out the following day. As I had, contrary to the opinion of moft people here, foretold the approach¬ ing eruption [>], and had obferved 2 [g] It is certain, that, by conftant attention to the fmoak that iflues from the crater, a very good gueli. xnnv be given as to the degree of fermentation within C 4 grea&