Backsight

{
  "id": "MLC-T-IND-000382",
  "term": "Backsight",
  "field": "Industrial and trades",
  "definition": "A reading taken with a surveying instrument on a point of known elevation or position, typically the last point occupied or a benchmark. This measurement is used to determine the height of the instrument (HI) or to orient the instrument for subsequent readings. It serves as a reference for all forward measurements in a leveling or traverse survey.",
  "subject": "Surveying",
  "see_also": [
    "blow a backsight"
  ],
  "references": [
    "backsight - definition and meaning (Wordnik)"
  ],
  "translations": {
    "de": "Rückblick",
    "es": "vista atrás",
    "fr": "visée arrière"
  },
  "url": "https://mlchart.com/terminology/industrial/backsight/"
}