Clinical Glass Thermometer - Traditional Temperature Measurement Tool #285563 (License: Personal Use)

This illustration depicts a standard glass clinical thermometer, commonly used for measuring human body temperature. It features a sealed glass tube with a mercury reservoir at one end and evenly spaced calibration marks along its length to indicate degrees Celsius or Fahrenheit. Though largely replaced by digital alternatives, this design remains iconic in medical history and education.

Used on health, medical equipment, or historical science web pages; supports user intent to learn about traditional diagnostic tools, compare thermometer types, or illustrate articles on fever measurement and medical instrumentation.