Attached thermometer

{
  "id": "MLC-T-MET-003697",
  "term": "Attached thermometer",
  "field": "Meteorology and atmospheric science",
  "definition": "A thermometer mounted on the casing of a mercury barometer to indicate the temperature of the mercury column and its metal scale. The reading is used to correct the barometer's height reading to what it would be at a standard temperature of zero degrees Celsius. It measures the temperature of the instrument and not that of the surrounding air.",
  "url": "https://mlchart.com/terminology/meteorology/attached-thermometer/"
}