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Other Nautical Photos |
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 Mechanical tidal gauges were first used in the U.S. in the 1850’s. This old wooden station, used in 1897 in Fort Hamilton, NY, is one of the earliest examples of a real-time, tide- measuring mechanism. On entering or leaving the port, mariners would view this station through binoculars to check the water level. |
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Iceberg! |
Moving the light. |