Whispering gallery to the walls, an effect that was discovered in the whispering gallery of St Paul's Cathedral in London. The extent to which the sound travels at St Paul's can also be judged by clapping in the gallery, which produces four echoes. Other historical examples are the Gol Gumbaz mausoleum in Bijapur and the Echo Wall of the Temple of Heaven in Beijing. A hemispherical enclosure will also guide whispering gallery waves. The waves carry the words so that others will be able to hear them from the opposite side of the gallery. The gallery may also be in the form
South London Gallery Rossiter staged an art show of privately owned works at the Library. After this the name was changed to the Free Library and Art Gallery. In 1881, the library and gallery moved again to New Road, Battersea, and in 1887 to 207 Camberwell Road. Leading artists such as Sir Frederic Leighton, President of the Royal Academy, Edward Burne-Jones and G. F. Watts supported the institution; the Prime Minister, William Ewart Gladstone, was its first president, succeeded by Leighton in 1887. On 4 May 1891, The South London Fine Art Gallery opened in Peckham Road in a new building in the