Scheme of volcanoes and liquid flow Size:M: 60 x 40cm found in the Guildhall Chapel

found in the Guildhall Chapel

Fordhook House

Coopers' Hall

The cross keys symbol in the background denotes the Papacy but

Spa Fields

Scheme of volcanoes and liquid flow Size:M: 60 x 40cm found in the Guildhall ChapelIllustration showing volcanoes and oceans on the Earth's surface, with underground flows of water and magma. Individual features are lettered A G. From Piaggio's observations on lava kept as part of his work on volcanic activity at Mount Vesuvius near the Bay of Naples, Italy. Researches made by the artist while observing the mountain on behalf of Sir William Hamilton. From volume 5 of Piaggio's notebooks for the period 1787 1792. Original: ink and