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
New Gallery (London) Carr and Hallé had been co-directors of Sir Coutts Lindsay's Grosvenor Gallery, but resigned from that troubled gallery in 1887. The building was designed by Edward Robert Robson FSA, and constructed in little more than three months to ensure that it could open in the summer of 1888. The gallery was built on the site of an old fruit market. Existing cast-iron columns supporting the roof were encased with marble to give the impression of "massive marble shafts" topped with gilded Greek capitals. The architrave, frieze, and cornices above the columns were covered with platinum leaf. At the opening, the