Historical Medical Thermometer - Vintage Clinical Temperature Gauge #1492486 (License: Personal Use)

This black-and-white line illustration depicts a cylindrical mercury-in-glass clinical thermometer from the late 1800s, featuring a dual-scale (Fahrenheit) reading from -50°F to 110°F. Key physiological landmarks are annotated: “Blood Heat” near 98-100°F, “Tempe rate” around 70-80°F, and “Freezing” at 32°F. The device includes a hanging loop and ornate casing typical of period medical instruments.

Used in historical medical articles, museum exhibits, or educational content about the evolution of diagnostics; targets users researching antique medical tools or physiology history.