The resonance tubes are made of borosilicate glass and have an outside diameter of 38 millimeters. The tube is 900 millimeters (35.43 inches) long. The white graduations are in metric and are fused to the tube. Use these resonance tubes in your physics classroom to study resonating waves or velocity of sound in air.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.