“the last surviving maritime signal tower in the US”
The Portland Observatory, built in 1807 at Portland, Maine, is the last surviving maritime signal tower in the United States. Using both a telescope and signal flags, two-way communication between ship and shore was possible several hours before an incoming vessel reached the docks.
Wonderful little spot. My kids 11 and 5 really enjoyed it. The volunteers were friendly and the history fascinating.
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Portland Observatory Museum
- Sun - Sat: 10:00 am - 4:30 pm
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