...reassured. The Monitor was only half the size of her antagonist, and had only two guns to the other's ten. But this very disparity proved an essential advantage. With only ten feet draft to the Merrimac 's twenty-two, she not only possessed superior mobility, but might run where the Merrimac could not follow. When, therefore, at eight o'clock on Sunday, March 9, the Merrimac again came into Hampton...