Show CAUSE OF ACCIDENT ON A B center line C left thirteen inch gun D right thirteen inch gun E breech block of left thirteen inch swung open as gun was being unloaded H hudgins G aleut graeme F man on loader s plat form unloading K man passing shell tongs over to left so as to draw shell when last powder bag was drawn L rammer electric in rear of gun M electric ammunition hoist controller P bags of powder that F had taken out of gun and laid on turret floor in rear of hinged gate on which he stood R turret hatch S jaws of copper switch for switching current on or off rammer motor this witch was short circuited by a metal bar being a struck on its jaws the iran at passing over the shell tongs mi have struck it or F may have leaned cr pushed such a metal hook against t arc wa caused molten metal and sparks tell from S to P S being about five tee above P and conflagration ensued |