Thermometer Scales

An Imaging Radiation Thermometer

For many years radiation thermometers have been used to make non-contact temperature measurements of hot objects, particularly in industrial situations such as reformer furnaces, steel reheat furnaces, and ceramics kilns. They occupy an important niche in temperature measurement since any other type of thermometer would have very slim chances of surviving in these and other such hostile environ...

An improved tele-thermometer.

A thermistor leaf thermometer.

An instrument is described which allows measurements of leaf temperature within about 0.3 C. It consists of a special thermistor probe, a small circuit box, and a standard ammeter. The circuit box can easily be fixed to the meter and contains a battery, which passes 0.3 milliampere through the thermistor, and also contains an integrated circuit amplifier, so that the meter reads 20 C full scale...

Fiber Optic Thermometer

The Thermometer in Epilepsy

following were miscarriages, and the last an abortion in December last. First attack of epilepsy occurred in the third month of the first pregnancy ; the last, two days before admission. The fits occur during the night; of this the patient does not retain recollection the following morning. The patient was under treatment from 22nd September to 22nd November, during which period 11 observations...