Graduated Test Tube Illustration - Laboratory Measurement Tool #95582 (License: Personal Use)

This vector illustration depicts a transparent cylindrical test tube with evenly spaced horizontal calibration marks along its length, indicating volume measurements. The lower portion contains a light gray liquid up to a specific mark, simulating a typical laboratory sample. The design emphasizes clarity and accuracy for educational or instructional purposes.

Used in science textbooks, online learning modules, lab safety guides, and educational websites to demonstrate proper measurement techniques or equipment identification; targets students, educators, and lab technicians seeking visual reference.