![](http://www.alamy.com/thumbs/6/BF77DF40-7E17-4A5B-8ED2-F9DD016C2FBB/AXNNDG.jpg)
Mechanical device for demonstrating longitudinal waves
Size: 7145px × 3126px
Photo credit: © sciencephotos / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: device, laboratory, longitudinal, mechanical, model, physics, teach, teaching, wave