Rubens' tube

He also combined scientific ideas to create the Rubens' tube.

Rubens' tube, demonstrates the relationship between standing sound waves and sound pressure.

Within the Rubens' tube, as soon as gas is ignited generally uniform flames will be seen.

This original Rubens' Tube was a four meter section of pipe with 200 holes spaced evenly along its length.

A Rubens' tube, also known as a standing wave flame tube, or simply flame tube, is an antique physics apparatus for demonstrating acoustic standing waves in a tube.