Digital thermometer
device · 1970 · Digital age
A thermometer with a thermistor.
What it is made of
- Thermistor — has part. A thermistor.
- Liquid-crystal display — has part. The reading is on an LCD.
Principles and materials it uses
- Plastic — is made of. The case is plastic.
History: what it evolved from and what it influenced
- Clinical thermometer — evolved from. A replacement for the mercury thermometer.