https://external-preview.redd.it/M5pErAnAyn1jOJr-poMm2d6y9B1IJ2ERTi3y33FkO3A.jpg?auto=webp&s=a0a7d7de455e4db3c900cb3b608f50a57101a99c

TIL of the Trautonium, an early electric instrument from 1929 that paved the way for synthesizers. Instead of a keyboard, it had a resistor wire over a metal plate, which was pressed to create a sound.

https://www.youtube.com/watch?v=-tQQEChMq1A

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