From the Richmond Sentinel, 8/31/1864, p. 1
Shell Explosion. - At 8 o'clock Monday evening, as some each old shell were being melted up in Cook's foundry, on 8th street, in rear of the War Department, one of the shell, which chanced to be loaded, exploded with a tremendous report, and threw ashes and cinders about at a great rate. Fortunately, no damage was done and nobody hurt.