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.

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