Three series of accurate laboratory thermometers of solid-stem, mercury-in-glass type, overall length about 400 mm; Series A and B are graduated in either Celsius or Fahrenheit for either total or partial immersion. Appendix gives procedure and recommended values for average emergent liquid column temperature for partial immersion thermometers.
BS 593:1989 history
0000 BS 593:1989(2007)
1990BS 593:1990 Specification for laboratory thermometers
1990BS 593:1989 Specification for laboratory thermometers