Mercury Thermometer Illustration - Medical & Historical Reference #287484 (License: Personal Use)

This black-and-white line illustration depicts a traditional mercury thermometer with a narrow glass tube, graduated scale (likely Celsius or Fahrenheit), and a rounded bulb at one end containing the mercury reservoir. The design reflects mid-20th-century medical instruments, emphasizing precision and manual reading. Though largely phased out due to safety concerns, such thermometers remain iconic in medical history and educational contexts.

Used on health education websites, museum digital exhibits, historical medical articles, or vintage instrument collections; serves users seeking visual reference for obsolete diagnostic tools or illustrating evolution of medical technology.