Lincon Max-Min Thermometer.
Description: Lincon Maximum Minimum Mercury Thermometer, -40 Degrees Celsius to 50 Degrees Celcius Temperature Range, Each (UN2809)
General Description: Mercury filled min/max thermometer with white-backed glass and dual case. Ideal for either indoor or outdoor use. They show the current temperature and register the lowest and highest temperature attained since the last reset. Thermometer is u-shaped, mounted on a plastic casing, with metal floats at the top of each column. One float remains at the maximum temperature, while the other float remains at the minimum temperature.
Size: -40°C ~ 50°C TEMPERATURE RANGE