Portland Bill Lighthouse
Additional Details:
Height: 136 feet to top of lantern. Foundations: 7 feet deep. Built: 103-06. Replaced two earlier structures half a mile inland. The old lighthouse, built 179, now houses a bird observatory. Light: Electric, 3, 370,000 candle power; ranger 18 miles characteristic, group flashing four every 20 seconds. Fog Signal: Diaphone, 3 to 5 second blast every 30 seconds |