Iconic American Infrastructure: The Boston Light

The structure built by Massachusetts was a circular, slightly tapered tower of rubblestone about 60 feet high, and the light provided by candles.
The structure built by Massachusetts was a circular, slightly tapered tower of rubblestone about 60 feet high, and the light provided by candles.
The lighthouse was located on Little Brewster Island in Boston Harbor and was first lit September 14, 1716.
The lighthouse was located on Little Brewster Island in Boston Harbor and was first lit September 14, 1716.
 As the British forces withdrew in 1776, they blew up the tower and completely destroyed it. The lighthouse was eventually reconstructed in 1783 to be 75 feet tall.
As the British forces withdrew in 1776, they blew up the tower and completely destroyed it. The lighthouse was eventually reconstructed in 1783 to be 75 feet tall.
During World War II, growth of the port stopped on the orders of the U.S. military and shipbuilding became its primary industry.
During World War II, growth of the port stopped on the orders of the U.S. military and shipbuilding became its primary industry.
A second-order revolving Fresnel lens was installed in 1859 and, to accommodate it, the tower was raised to 89 feet. As part of the renovations, the interior of the tower was lined with brick for further support and the brick entry added.
A second-order revolving Fresnel lens was installed in 1859 and, to accommodate it, the tower was raised to 89 feet. As part of the renovations, the interior of the tower was lined with brick for further support and the brick entry added.
The fog signals were upgraded a number of times: a striking apparatus was introduced in 1869, a whistle in 1871, a fog-trumpet in 1872, and a steam siren in 1887.
The fog signals were upgraded a number of times: a striking apparatus was introduced in 1869, a whistle in 1871, a fog-trumpet in 1872, and a steam siren in 1887.
 Its white light rotates every 10 seconds and shines through the only second-order Fresnel lens still in use in Massachusetts (of only four total.
Its white light rotates every 10 seconds and shines through the only second-order Fresnel lens still in use in Massachusetts (of only four total.

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