I am a light, set up to warn and guide mariners. I exhibit two fixed lights, which sh

I am a light, set up to warn and guide mariners. I exhibit two fixed lights, which show red and white, and are exhibited all night from two separate and distinct lanterns. I am placed here, as a mark of the humane and charitable nature of the great sea-marks, which are erected to point out the way of safety, and to prevent ships from running into danger. I am a mark of the wisdom of the great sea-beacons, which are erected, to