Book Excerptwith Chief Engineer Murphy's, who had been charged to fire off the Projectile."Friends," he said, "it is now twenty minutes past ten. At 10 46' 40'', precisely, Murphy will send the electric current into the gun-cotton. We have, therefore, twenty-six minutes more to remain on earth.""Twenty-six minutes and twenty seconds," observed Captain M'Nicholl, who always aimed at mathematical precision."Twenty-six minutes " cried Ardan, gaily. "An...