inches of mercury - A unit used when measuring the pressure of the atmosphere. 33.86 millibarmillibars. Inches of mercury are used because some barometers use the height of mercury in a sealed tube as a measuring device.
Inches of Mercury - A unit used when measuring atmospheric pressure. 33.86 millibars.
Indiaman - Any of the large sailing ships engaged in the British trade with India from roughly 1600 to 1880.
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.
barometric pressure ...
A unit of atmospheric pressure as shown on a barometer; 1016 mb is equivalent to 30 inches of mercury.
minute
1/60 of a degree. On most charts 1 minute of latitude (shown at the side) equals 1 nautical mile.
Also called barometric pressure. The weight of the atmosphere, an average of 1013.2 millibars or 29.2 inches of mercury at sea level. Measuring the changes in atmospheric pressure can help predict weather.
autopilot ...
 See also: Millibar, Sailboat, Boat, Wind, Line
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