4 ms·
> Waveforms were drawn on glass plates That sounds similar to how the Hammond organ worked, I think. I believe it had spinning wheels with a wavy edge; light
by denton-scratch 3y ago
> Waveforms were drawn on glass plates
That sounds similar to how the Hammond organ worked, I think. I believe it had spinning wheels with a wavy edge; light shone past the edge of a wheel generated an electrical waveform.
- bzzzt 3y agoHammond organs use an electromagnetic pickup to get the waveform from the wheels.