. . "John Brown's Fort" . . . "John Brown's Fort" . . . . . . "John Brown's historic \\\"fort,\\\"" . . . . . "the old Engine House" . "the engine house" . . . . . . "the engine house at the arsenal" . . . . . . "Harpers Ferry federal arsenal" . . . . . . . "the Arsenal engine house" . . . "firehouse used by John Brown as a fort" . . . . .