barometers

n.an instrument that measures atmospheric pressure

Barometers
Thermometers and barometers for volcanic systems
The Democracy Barometers (Part II) : Attitudes in the Arab World
The democracy barometers: Attitudes in the Arab world (Journal of Democracy (2008))
bad blood, spoiled milk: bodily fluids as moral barometers in rural Haiti
A survey of customer satisfaction barometers: Some results from the transportation-communications sector
Igneous thermometers and barometers based on plagioclase + liquid equilibria: Tests of some existing models and new calibrations
Stability field of the high-pressure assemblage talc+phengite and two new phengite barometers
Mortality gradients within and among dominant plant populations as barometers of ecosystem change during extreme drought.
Assessing Water Quality with Submersed Aquatic Vegetation: Habitat requirements as barometers of Chesapeake Bay health