The Livingstone Maximum and Minimum Mercury-Filled Thermometer is ideal for either indoor or outdoor measurement of temperature. It shows the both the current temperature, as well as the lowest and highest temperatures measured since the last reset. There are two metal floats in the thermometer, where one float remains at maximum temperature and the other remains at minimum temperature.
Brand: Livingstone
Product: Maximum and Minimum Mercury-Filled Thermometer (MAXMINC)