Clinical Glass Thermometer Illustration - Medical Measurement Tool #1247013 (License: Personal Use)

This black-and-white line drawing depicts a traditional mercury-in-glass clinical thermometer, angled diagonally across the frame. The instrument features a narrow capillary tube with evenly spaced numerical markings (likely in Celsius or Fahrenheit), a bulb reservoir at one end, and a protective glass casing. Its design reflects mid-20th-century medical instrumentation, emphasizing simplicity and reliability before digital alternatives became widespread.

Used on medical education websites, historical health technology articles, or public health resources to illustrate traditional temperature measurement methods; matches user intent for understanding vintage diagnostic tools or comparing old vs. modern thermometry.