We can quite simply say that the inventor of the sound system as we build it at Heola is none other than William Gay.
Indeed, to create our harmonic bell, we relied on his work patented more than 130 years ago.
His goal at the time was already to make a toy or instrument that produced the sound effect of a chime.
To achieve this, he designed a system of eight rods fixed to a metal ring, all inserted into a resonance cylinder.
Here are some sketches from his 1891 patent: