Mount Vesuvius: interior of the crater showing the flow of lava in an eruption. Coloured etching by Pietro Fabris, 1776, after his painting, 1756.

On Fabris's coloured prints for Hamilton's Campi phlegraei see B. Fothergill, Sir William Hamilton envoy extraordinary, New York 1969, pp. 138-143, and John Thackray, '"The modern Pliny": Hamilton and Vesuvius', in Ian Jenkins and Kim Sloan, Vases and volcanoes, London 1996, pp. 65-74