John Guy Vassar, Twenty years around the world (1861)
“ The steamer Alecto brought me from Malta to Gibraltar; we coasted along the African shore, sighting Algiers, with its high walls and whitewashed buildings, crowned by its citadel. I was struck with awe and admiration at the sight of the renowned rock of Gibraltar, whose defences entitle it to be called the key of the Mediterranean. I climbed up zigzag roads and stairways, and was shown immense galleries excavated out of the solid rock, which terminate in the battery called “St. George’s Hall.” Higher up, at the height of thirteen hundred feet, is the rock gun. ”
