HAMILTON, William. 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, K. B. F. R. S. His Majesty's Envoy Extraordinary and Plenipotentiary at the Court of Naples. To which are Added, Explanatory Notes by the Author Hitherto Unpublished.
London: T. Cadell, 1774. New Edition. Octavo (8" x 5"); iv, 179p with advert on final verso. 5 copper plates and one foldout map, all present. In brown calf with five raised bands and gilt lettering to spine (incorrectly dated 1772). Pencil erasure and some spotting to front free endpaper. Original pages a bit toned with expected offsetting from plates, but pages are clean and unmarked. Binding is solid. Not an ex-library copy.