Lighthouses for Kids: History, Science, and Lore with 21 Activities

Lighthouses for Kids: History, Science, and Lore with 21 Activities — page 5
1759 Smeaton's Eddystone tower lighted 1769 First twin lights in United States established at Plymouth Mass achusetts 1781 First flashing light in a lighthouse installed in Sweden Aimé Argand develops new type of oil lamp about this time 1788 First range lights in United States built at Plum Island Massachusetts 1789 Ninth Act of Congress puts federal government in charge of lighthouses 1792 Lighthouse at Cape Henry Virginia begins operating 1798 Highland Light Massachusetts is first flashing light in United States 1812 Winslow Lewis sells U S govern ment patent for oil lamps 1818 First lighthouse on Great Lakes completed at Buffalo New York 1820 First use of fog bell in United States Stephen Pleasonton takes charge of U S lighthouses First lightship in United States in service on Chesapeake Bay 1822 Augustin Fresnel invents Fresnel lens