Tags: Lighthouse, Tower.
Portsmouth Harbor Lighthouse is located within Fort Constitution in New Castle New Hampshire USA. The station was established in 1771 and was the 10th of 11 light stations established prior to the American Revolution. The first tower was a shingled wooden structure with an iron lantern and copper roof. Its light source was three copper oil lamps.The first tower was replaced in 1804 by an 80-foot (24 m) octagonal wooden tower approximately 100 yards (91 m) east of the 1771 tower.
