National Museum of American History, Behring Center

Lighthouse Postcards

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Doubling Point postcard face - click to enlarge

Doubling Point postcard obverse - click to enlarge

Locate on NOAA nautical chart

Doubling Point

State: ME
Year established: 1898
Latitude: 43 deg 52 min 57 sec N
Longitude: 69 deg 48 min 24 sec W
Height above sea level: 23 feet

Original construction:
Octagonal wooden tower

1899: moved about 100' offshore on stone pier, connected to shore by wooden walkway

Automated in 1988; active aid to navigation

Light characteristic:
Flashing white every 4 seconds, visible for 9 nautical miles

More information:
Holland Jr., F. Ross, Great American Lighthouses - A National Trust Guide, p. 87, The Preservation Press, Washington, DC, 1989