Projectile Weighing 1070 lbs.--Powder 325 lbs. One Load for the 12-inch Disappearing Gun, Fortress Monroe, Va.
1914-1918
Keystone View Company
An American soldier stands, grinning, beside an armor-piercing shell and the 325 lbs of gunpowder required to load it at a military fort in Virginia.
GLC09584.200