National Museum of American History, Behring Center

Lighthouse Postcards

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Borden Flats postcard face - click to enlarge

Borden Flats postcard obverse - click to enlarge

Locate on NOAA nautical chart

Borden Flats

State: MA
Year established: 1881
Latitude: 41 deg 42 min 16 sec N
Longitude: 71 deg 10 min 28 sec W
Height above sea level: 47 feet

Original construction:
present 50-foot cast iron tower

Electrified in 1957, automated in 1963; active aid to navigation

Light characteristic:
Flashing white every 2.5 seconds, visible for 11 nautical miles; fog signal, one blast every 10 seconds

More information:
Office of the Light House Board, List of Lights and Fog Signals on the Atlantic and Gulf Coasts of the United States, (Washington, DC: GPO, 1895), pp. 44-45