Movable-scale barometer

{
  "id": "MLC-T-MET-007433",
  "term": "Movable-scale barometer",
  "field": "Meteorology and atmospheric science",
  "definition": "A type of mercury barometer equipped with an adjustable scale that can be moved to align with the top of the mercury column. This design allows for precise readings by compensating for variations in the mercury level due to temperature changes or instrumental errors. It provides a more accurate measurement of atmospheric pressure compared to fixed-scale instruments.",
  "url": "https://mlchart.com/terminology/meteorology/movable-scale-barometer/"
}