W. H. Davenport Adams, Lighthouses and Lightships
“ At other times, a colossal billow hurls itself upon the lighthouse, as if to shake it from its foundation; and to its inmates the shock is like that of a cannon; the windows rattle, the doors jar, and the building trembles to its very base. But the vibration felt throughout the lighthouse on such an occasion, instead of being a sign of weakness, is the best evidence that can be desired of the unity of the fabric and the cohesion of all its parts.When the Eddystone was built, scarcely any other light guided the mariner in his intricate navigation of the Channel ”
