Empty Test Tube Illustration - Science Lab Equipment Clipart #297185 (License: Personal Use)

This black-and-white line illustration depicts a standard cylindrical glass test tube with a slightly flared rim and rounded base, commonly used in chemistry and biology labs. The design is minimal and schematic, emphasizing clarity over realism, making it suitable for infographics, instructional guides, or digital learning platforms. Its neutral appearance allows easy integration into diverse color schemes and layouts.

Used on science education websites, lab safety manuals, chemistry curriculum pages, or as placeholder imagery in biomedical applications; targets users seeking clear, royalty-free lab equipment visuals for teaching or documentation.