Bakers Island Light

Bakers Island Light is a historic lighthouse on Bakers Island in Salem, Massachusetts. The station was originally established in 1791, with a daymark. This was replaced in 1798 by two lights atop a keeper's house, one at each end. After storm damage in 1815, an octagonal stone tower was constructed. The current round stone tower was added in 1820. The 1820 tower was taller, leading to the names "Ma" and "Pa". The two remained in service until 1926, when the older, shorter tower was removed.

• http://en.wikipedia.org/wiki/Bakers Island Light