Sandy Hook Proving Ground - Additional Photos

Photos courtesy of Dan Graves. Sandy Hook Proving Ground Photos This is what happens to the armor of a battle ship when the Coast Artillery gets a chance. Firing the National Salute Sandy Hook Proving Ground NJ. The New Shops Sandy Hook Proving Ground NJ. The "worlds greatest gun" at Sandy Hook proving Ground NJ. Weight 130 tons, length 591 inches, diameter of powder chamber, 60 inches, Powder charge 800 lbs, weight of projectile 2400 lbs, range 30 miles, weight of high explosives in shell 140 lbs. On the Steamer "Ordnance" going to the yacht races.