Save to My Gallery B. Early portaloo?Behind the scenes 22 October 2011. Posted by Tim Jones Portaloos are now part of the Christchurch street furniture. But do we have here an early example? From Hyde Park in 1799? Thomas Rowlandson A Whistler! Collection of Christchurch Art Gallery Te Puna o Waiwhetū Related Collection Thomas Rowlandson, George Moutard Woodward Horse Accomplishment. A Whistler!!