print, aquatint, coloured, showing the Observatory gardens at Calton Hill Edinburgh and a view looking east to the Firth of Forth, by John Wells after the panorama by Robert Barker, published 25 March 1790. Plate 6 of a set of six; the original panorama, credited as the first in that genre, shown Edinburgh 1788 and London 1789. Gardens include seven instruments modelling the planetary system