clavioline

Name: clavioline (Wikipedia) an early analogue synthesizer, it's been used in both Sci-fi soundtracks and popular music.
A type of analogue synthesizer
Also known as: Canary S-2, clavoline, musitron
Wikidata item: Q2978687
Invented by: Constant Martin in 1947, from Versailles
External links: https://www.soundonsound.com/reviews/story-clavioline

Disambiguation: electronic keyboard, forerunner to analogue syntheziers
Description: an early analogue synthezier, it had a vacuum tube oscillator and high/low pass filtering to produce vibrato.

example uses:

• Baby You’re a Rich Man, played by John Lennon
• The Magic City, played by Sun Ra
• Return to Ommadawn, Pt. I, played by Mike Oldfield
• Runaway, played by Max Crook