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
Art Gallery Building name of the building. Over time, the second floor space was occupied by photographic studios operated by Arthur Swain, G. T. Stephens, D. C. Moyer, among others up until the 1920. A series of pharmacies occupied the first floor until the 1960s. A fire in 1970 destroyed some of the lower floor trim. The Art Gallery Building is a two-story narrow-fronted red brick, Italianate commercial building, with a roof that slants slightly downward toward the back. The building is located adjacent to a small alleyway. The cast iron facade contains an arcade-like set of round-head windows topped by faux masonry.