Thermometer Illustration - Free Clipart for Science and Education #135873 (License: Personal Use)

This image features a classic analog thermometer design, rendered in clean black outline on white background. The bulb at the base connects to a narrow vertical tube with eight horizontal tick marks indicating measurement increments. Its simplicity makes it suitable for diagrams, infographics, and instructional content.

Used in educational websites, science textbooks, weather widgets, and health-related articles to visually represent temperature measurement. Matches user intent for free, royalty-free illustrations for non-commercial or commercial digital/print use.