Graduated Test Tube Diagram - Lab Equipment Visual Guide #304453 (License: Personal Use)

This vector-style illustration depicts a conical-bottom graduated test tube commonly used in chemistry and biology labs. The transparent body shows evenly spaced black calibration marks for precise liquid volume measurement, and the bright orange cap ensures easy identification and secure sealing. The design emphasizes clarity and functionality for educational or procedural documentation.

Used in science education websites, lab manuals, product catalogs, and safety guides to illustrate proper equipment handling; matches user intent for learning about lab tools or identifying consumables.