Kaiser Fototechnik 4086 Precision Thermometer

Especially suited for color processing. Alcohol-filled bulb. Luminous blue capillary. Scale from 10 to 50? C, calibrated in steps of .2 degrees, margin of error ? .2?. Max. immersion depth 60 mm (2.4 in.).
Length: 195 mm (7.7 in., ? 12 mm (.5 in.)