Ipswich Range Lightsとは 意味・読み方・使い方

The Ipswich Range Lights are a pair of range lights on Crane Beach in Ipswich, Massachusetts. They have a long and varied story. They were first built as two brick towers, 542 feet (165m) apart on a more or less east-west line in 1838. The movement of the sands led to shifting of the towers and by 1881 the rear tower was badly cracked. It was replaced by a cast iron tower, while by 1867 the front light had been replaced by a movable wood structure that could be shifted as the channel shifted. The front light was discontinued in 1932 and the rear light was replaced in 1938 with a skeleton tower. It, or its replacement, is still in service today. The 1881 cast iron rear tower was loaded on a barge and shipped to Edgartown, Massachusetts where it replaced the Edgartown Harbor Light that had been destroyed in the Hurricane of 1938.