Curtis Guild, Over the Ocean; or, Sights and Scenes in Foreign Lands
“ The Whispering Gallery is a gallery with a light ornamental iron railing, running entirely round the inside of the base of the cupola, a distance of one hundred and forty yards; and whispered conversation can be carried on with persons seated at the extreme opposite side of the space; the clapping of the hands gives out almost as sharp a report as the discharge of a rifle. This Whispering Gallery is a fine place to get a good view of the great paintings in the compartments of the dome, which represent leading events in the life of St. ”
