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![Vacuum pump used to demonstrate the impossibility of sound propagation... | Download Scientific Diagram Vacuum pump used to demonstrate the impossibility of sound propagation... | Download Scientific Diagram](https://www.researchgate.net/publication/326501474/figure/fig1/AS:650286637006849@1532051824911/Vacuum-pump-used-to-demonstrate-the-impossibility-of-sound-propagation-in-vacuum_Q640.jpg)
Vacuum pump used to demonstrate the impossibility of sound propagation... | Download Scientific Diagram
![Demonstration that sound cannot travel in a vacuum. Bell in rung in glass jar from which air has been evacuated by a vacuum pump cannot be heard. Engraving from ''Physices Elementa Mathematica'' Demonstration that sound cannot travel in a vacuum. Bell in rung in glass jar from which air has been evacuated by a vacuum pump cannot be heard. Engraving from ''Physices Elementa Mathematica''](https://c8.alamy.com/comp/RB6530/demonstration-that-sound-cannot-travel-in-a-vacuum-bell-in-rung-in-glass-jar-from-which-air-has-been-evacuated-by-a-vacuum-pump-cannot-be-heard-engraving-from-physices-elementa-mathematica-by-wj-sgravesande-1725-RB6530.jpg)