Barometers are used to measure the current air pressure at a particular location in "inches of mercury" or in "millibars" (mb).
(Barometers; are used; to measure the current air pressure at a particular location in "inches of mercury" or in "millibars) (Barometers; to measure; the current air pressure at a particular location in "inches of mercury" or in "millibars)
Barometers Barometers
are used to measure
to measure the current air pressure at a particular location in "inches of mercury" or in "millibars
the current air pressure at a particular location in "inches of mercury" or in "millibars