A mercury glass thermometer, can be calibrated. Employed to determine the highest air temperature.

Consists of a mercury glass thermometer with a holder and a plastic guide tube. The immersion depth governs the depth of the measuring point in the soil.

Consists of a mercury glass thermometer with a bent immersion stem, determines the lowest and highest temperature of the soil. The immersion depth governs the depth of the measuring point in the soil.

not depicted Holds the extreme thermometer for use in soil, described in the preceding.

Determines the lowest and highest ambient temperature. Consists of a maximum thermometer and a minimum thermometer with stand.

Model Six Thermometer determines the current temperature as well as the lowest and the highest temperatures of the measuring period. There is a magnet included in the delivery to set back the markers for extreme value identification. Instrument is installed onto a plane wall.

Thermometer determines the current temperature as well as the lowest and the highest temperatures of the measuring period. There is an adjustment knob to set back the marker threads for extreme value identification.

Thermometer determines the water temperature. A glass mercury thermometer in a metal tube with a large perforated water container.

An alcohol glass thermometer, can be calibrated. Employed to determine the lowest air temperature.

A mercury glass thermometer, can be calibrated. Designed for measuring the current ambient temperature. Also used as a spare thermometer for psychrometers model August.

A mercury glass thermometer, can be calibrated. Designed for measuring the soil temperature. Supplied with a holder. The immersion depth governs the depth of the measuring point in the soil.