Demonstration to show that a sound wave travels through a medium by a to-and-fro motion of particles. From ''Sound'' by John Tyndall,London,1867 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / UIG / Universal History Archive |
Taille de l’image : | 5100 px × 1827 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |