{
  "id": "UN1061",
  "name": "foot of mercury, conventional",
  "ml_name": "ip_ft_{Hg}",
  "symbol": "ftHg",
  "reference": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#F"
}