This simple device can change thermal energy into sound waves directly. Constructed from 28 mm diameter copper tube with a constriction to support a metal gauze, the pipe is held over a burner flame for a few seconds to heat the gauze. When the flame is removed the pipe resonates with the convicted air and emits a low “ships foghorn” note. Length of tube is 450 mm approx.
| SKU: | PSW005 |
