A hand crafted marble machine that rings like a wind chime. This is one of the more advanced models available for purchase. Contact Tom at Thomasjsenior(at)yahoo.com. Type 2 model.
The aluminum tubes are supported at the 22% of their length mark by steel wire to allow the ringing. The tones are chosen from a pentatonal scale based on A 880. The wood is cherry, walnut and pine with an oak base. Various sized marbles will work, from half inch to three quarter inch. Wooden marbles make for a softer sound.
The tune reminds me of the Exorcist.
Inventor2Be12 8 months ago