Hale Telescope mirror.. It was completed in 1948 and is still in active use. The Hale Telescope represented the technological limit in building large optical telescopes for over 30 years. It was the largest telescope in the world until the Russian BTA-6 was built in 1976, and the second largest until the construction of the Keck Observatory Keck 1 in 1993. Hale supervised the building of the telescopes at the Mount Wilson Observatory with grants from the Carnegie Institution of Washington: the telescope in 1908 and the telescope in 1917. These telescopes were very successful, leading to the rapid advance in understanding
Telescope Hill the tower and enjoy the view. The first fire observer was Al Lucas, who served for two years, followed by Frank Forsyth, who served until 1948. Starting in 1922, the Suffolk County fire observers were supervised by State District Fire Ranger Clarence Dare of Selden. During World War II, a new cab was built below the original cab to be used for fire watching, and the original was used by Civil Defense observers. Nazi "U-Boats" were spotted three times from Telescope Hill, one of which was captured after being spotted. As suburban growth spread through the area and fire tower