Test Tubes in Laboratory Rack - Science Equipment Illustration #2044547 (License: Personal Use)

This illustration depicts three standard cylindrical glass test tubes, each partially filled with a light blue liquid, mounted vertically in a two-tier wooden rack. The rack features horizontal slats with precisely cut circular holes to hold the tubes firmly, reflecting typical classroom or introductory lab equipment design. The clean, schematic style emphasizes clarity and function over realism, making it suitable for instructional materials.

Used in educational websites, science textbooks, lab safety manuals, and STEM curriculum pages to illustrate basic laboratory equipment. Matches user intent for visual learning, equipment identification, or preparing lab setup diagrams.