Thermometer, Material: Glass, Dual scale, Mounted on aluminum back, Filling: 3 grams of Toluene mixed with red color, Temperature: -20 deg to 110 deg C
Student Thermometers, This student grade partial immersion thermometer is etched in 1degree increments. Each thermometer comes with an anti-roll triangle and a re-usable plastic storage tube. Filled with a petroleum-based column with