Thermometer, Non-Mercury, 10/30 Joint, 51mm Immersion, -20C to 150C. Thermometer is mineral spirit filled to eliminate workplace and environmental hazards associated with mercury. Thermometer has a white back, a 6 to 7mm outer diameter, and a standard taper 10/30 inner ground joint. All ranges have 1 subdivisions. Immersion is measured from the bottom of the joint to the bottom of the mercury bulb.
