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C. Julius Caesar, Gallic War 6 0 Browse Search
M. Annaeus Lucanus, Pharsalia (ed. Sir Edward Ridley) 2 0 Browse Search
Knight's Mechanical Encyclopedia (ed. Knight) 2 0 Browse Search
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Knight's Mechanical Encyclopedia (ed. Knight), L. (search)
yed from a tower, called a lighthouse, and has several variations, incident to the mode of production or emission and direction, and to the visible characteristics by which the mariner distinguishes one light from another when arriving off a coast, so as to ascertain his geographical position, and his bearings as to his port or course. In early times the light was a fire of burning wood. Such were the lights of the famous Pharos of Alexandria, and the Tour de Corduan at the mouth of the Garonne. In 1812, the Lizard Point light, Cornwall, England, was maintained with coal fires. The same may be said of the Isle of May light, Frith of Forth, Scotland, in 1816. This, in fact, was the usual light at that time in positions readily accessible. The Eddystone light first consisted of tallow candles stuck in a hoop, and afterwards of twenty-four wax candles. The Argand lamp, invented in 1784, and bearing the name of its distinguished inventor, rendered a better light possible. Se