The fragile glass armonica | Boing Boing
December 9, 2021
The fragile glass armonica | Boing Boing:
The glass armonica, invented by none other than Benjamin Franklin (working with glassblower Charles James), produces ethereal sounds from friction on a series of extremely delicate nested glass bowls, which form a keyboard.
I’ve loved hearing these since I first heard about them… This is an excellent video covering the how and why of their operation.
Pocket Realities 