Date the cornerstone was laid on Bedloe's Island: 5 August 1884 Source of Granite for the Pedestal: Leete's Island, Connecticut Source of Lime for Cement for the Pedestal Widow Jane Mine 688 Route 213, Rosendale, NY 12472, (845) 658-9900. Tours Available. Also on the web at: The Centuryhouse Historical Society Largest 19th century Concrete Structure in the US Statue of Liberty Pedestal 27,000 tons, 13,300 cubic yards. Below grade: 53 feet deep, 91 feet square at the bottom, 65 feet square at the level of the original Fort Wood. The pedestal above grade is constructed of concrete walls from eight to nineteen feet in thickness that continue the battered line of the truncated pyramidal foundation, tapering from 65 feet square at grade to 43 feet at the foot of the statue with a central opening 27 feet square. Date of Final Assembly of statue & pedestal: 1886 Wind speed at which Statue sways 3 inches (7.62 cm): 50 mph Torch sway in 50 mph wind: 5 inches (12.7 cm). Number of windows in the crown: 25 Number of spikes in the crown: Seven rays of the diadem (7 oceans of the World) Hand with which Statue holds tablet: Left Inscription on tablet: "July 4, 1776" (in Roman numerals) Day of America's Independence from Britain: July 4, 1776 Height from base to torch (Bartholdi's design): 151' 1" (46.50m) Height from base to torch (1984 Survey): 152' 2" (46.84m) Foundation of pedestal to torch (Bartholdi's design): 305' 1" (92.99m) Foundation of pedestal to torch (1984 Survey): 306' 8" (93.47m) Heel to top of head: 111' 1" (33.86m) Length of hand: 16' 5" (5.00m)