Thermometer Illustration - Visual Guide to Temperature Measurement #3078189 (License: Personal Use)

This vector-style illustration depicts a classic liquid-in-glass thermometer, featuring a red-colored liquid (representing mercury or alcohol) in a bulb at the base, rising through a narrow capillary tube marked with evenly spaced horizontal lines for temperature readings. The design is simplified for clarity, omitting numerical values to emphasize structure over precise measurement-making it ideal for educational diagrams or conceptual explanations.

Commonly used in educational websites, science textbooks, health articles, or weather infographics to explain how thermometers work; matches user intent for visual learning, basic physics concepts, or medical device illustrations.