Trinity Bay, Newfoundland, Exterior View of the Telegraph House in 1857-1858, 1865?66, Watercolor over graphite with touches of gouache, Sheet: 6 13/16 ? 10 1/4 in. (17. 3 ? 26 cm), Drawings, Robert Charles Dudley (British, 1826?1909), One of the 19th century's great technological achievements was to lay a telegraphic cable beneath the Atlantic, allowing messages to speed back and forth between North America and Europe in minutes, rather than ten or twelve days by steamer