The Graves Light

The Graves Light
US Coast Guard photo
Location Offshore of Boston, Massachusetts
Year first lit 1905
Automated 1976, solar 2001
Foundation Granite
Construction Granite Block
Tower shape Conical
Markings / pattern Natural with Black Lantern
Height 113 feet (34m)( tower)
Focal height 96 ft (29m)
Original lens First order Fresnel Lens (original)
Current lens VRB-25
Range 15nm
Characteristic Fl (2) W 12s
Fog signal HORN: 2 every 20s
USCG number 1-390

[1] [2] [3]

Graves Light Station
Nearest city: Boston, Massachusetts
Built: 1903
Architect: Royal Luther
Governing body: COAST GUARD
MPS: Lighthouses of Massachusetts TR
NRHP Reference#:

87002041

[4]
Added to NRHP: September 28, 1987

The Graves Light is a lighthouse located on The Graves, the outermost island of the Boston Harbor Islands National Recreation Area, and 9 miles (15 km) offshore of downtown Boston, Massachusetts, USA.[5]

At 113 feet (34m), it is the tallest lighthouse in the approaches to the Port of Boston, and is an important navigation aid for traffic to and from the port. It was built at the same time that the North Channel into Boston Harbor was dredged to become the principal entrance for large vessels. The Graves are the outermost rocks near the outer end of the North Channel.[5]

It was added to the National Register of Historic Places as Graves Light Station on September 28, 1987, reference number 87002041.

Construction and History

The lighthouse was built in 1905, to a conical design using granite blocks on a granite foundation, and equipped with one of the few first-order Fresnel lens used. The lens assembly stands about 12 ft (4m) tall and is now at the Smithsonian Institution. The light was the setting for the climactic storm in the 1948 film Portrait of Jennie.

Operated by the United States Coast Guard, the light was automated in 1976 and has a characteristic of two white flashes every 12 seconds.

Various sources agree that the ledges were named for a Thomas Graves, but differ on who he was; some prefer a 17th century British Admiral; others like a colonial era American merchant. The USCG history web site shows both.[1]

References