. bursting of the gun, even when of wrought iron, and the tion. It has a flat bottom and This allows for imperfect combustion of the coal, and per- an internal conical fire box with two side tubes opening through American low pressure system, in which the want of press- fect combustion of the oil.… … shell, and the fire box broke from its which cast-iron guns may be used with comparative safety, down upon the grate. The flat bottom gave way at the angle Of course, there is nothing to prevent the American principle iron, while the shell flew to a great hight a shapeless mass. from being produced…
Internet Archive · Public domain (published before 1931). Free to use for anything.
