ondioline (early analogue synth with various sounds and "vibrato" keyboard)
~ Electronic instrument
one of the first analogue synths, it had a filter bank with 15 sliders for different sounds, and a "vibrato" inducing keyboard based on the ondes Martenot's.
Georges Jenny (french electronic instrument inventor.) (1941)
clavioline (electronic keyboard, forerunner to analogue syntheziers)
analog synthesizer (uses analogue circuits to produce sound)