Thermometer, Non-Mercury, 7/12 joint

This thermometer is mineral spirit filled to eliminate the workplace and environmental hazards of mercury. It has a white back, 2 degree subdivisions, a 6 to 7 mm outer diameter and a standard taper 7/12 inner ground joint. The 20 mm immersion is measured from the bottom of the joint to the bottom of the mercury bulb. Temperature range of -10 to 150 °C.