A view of the Gallery of the Staircase at <a href="https://en.wikipedia.org/wiki/Carlton_House,_London" class="extiw" title="w:Carlton House, London">Carlton House</a> in London
<bdi><a href="https://www.wikidata.org/wiki/Q18508689" class="extiw" title="d:Q18508689"><span title="engraver">Thomas Sutherland</span></a>
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<a href="https://en.wikipedia.org/wiki/W.H._Pyne" class="extiw" title="w:W.H. Pyne">W.H. Pyne</a> (1819), <i>The History of the Royal Residences</i>, vol. 3: plate 82.<br>This scan from The Lothians blog. <a rel="nofollow" class="external text" href="http://the-lothians.blogspot.co.uk/2013/04/5-carlton-house-london-virtual-tour-of.html">Description page</a>, <a rel="nofollow" class="external text" href="http://3.bp.blogspot.com/-3vW1cg3WF_Q/UTQGh2OMyUI/AAAAAAAAEuY/ZLxJBSxNlgw/s1600/Gallery+of+the+Staircase+small.JPG">Image</a>