barometer
An instrument used to measure atmospheric pressure, usually measured in inches of mercury or millibars. Inches of mercury are used because some barometers use the height of mercury in a sealed tube as a measuring device.
barometer - An instrument that displays and measures atmospheric pressure.
Barque or Bark - usually a three masted vessel, the fore and main masts square rigged and the mizzen mast or after mast rigged fore and aft.
Barometer:
An instrument that measures atmospheric pressure in inches or millibars of mercury
Barometric Pressure:
Atmospheric pressure as measured by a barometer.
aneroid barometer - A mechanical barometer used to measure air pressure for warnings of changing weather.
astern - Toward the stern of a vessel, or behind the boat.
barometer, aneroid barometer, barograph, the glass
An instrument that displays atmospheric pressure in inches or millibars and therefore is useful in predicting weather. A barograph (recording barometer) records barometric readings over several days.
Barometer: An instrument that measures and displays atmospheric pressure, showing it in millibars {or in inches or in millimeters of mercury} usually on a dial with an indicating needle.
The barometer rises for a northerly wind, including from northwest by north to the eastward, for dry or less wet weather, for less wind, or for more than one of these changes, except on a few occasions when rain, ...
Barometric pressure- Atmospheric pressure as measured by a barometer.
Batten - a short piece of wood or plastic inserted in a sail to keep it taut
Batten pockets-- Pockets in a sail where battens can be placed to stiffen the sail.
The denser air exerted higher pressure in the atmosphere reflected in a rising reading on a barometer. The reverse is true of warm air following a cold air mass.
Barometric Effect - One inch drop in barometer will raise the tide approximately one foot. Dropping barometer (> 005'/hour) indicates bad weather coming
Batten Down - Close all openings and hatches, fasten down lose gear ...
Another fun way to check the weather is to learn how to read a barometer, when it falls rapidly, wet weather or a storm is coming. A rising barometer indicates fair weather or clearing weather.
were £115,303, the expenditure £90,335 In 1882 the Institution undertook, with the view of diminishing the loss of life among the coast fishermen, to provide the masters and owners of fishing-vessels with trustworthy aneroid barometers, ...
 See also: Boat, Wind, After, Sea, Point
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