Barometer
A barometer is a scientific instrument used in meteorology to measure atmospheric pressure. In maritime context, barometers are used to monitor changes in air pressure which can indicate changes in weather patterns. This is particularly important for sailors who need to be aware of approaching storms or other weather conditions that could impact their voyage. Barometers can be either mercury or aneroid, with the latter being more commonly used on ships due to their durability and portability. Regular monitoring of barometric pressure can help sailors make informed decisions about when to set sail, when to seek shelter, and how to adjust their course to avoid dangerous weather conditions.
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