{
  "id": "UN1040",
  "name": "degree Fahrenheit hour square foot per British thermal unit (th)",
  "ml_name": "ip_deg_F.h.ft2.Btu_{th}-1",
  "symbol": "\u00b0F.h.ft2.Btu_{th}-1",
  "reference": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#D"
}