Small electronic chord organ

The Greek engineer Ctesibius of Alexandria is credited with inventing the organ in the 3rd century BC. He devised an instrument called the hydraulis, which delivered a wind supply maintained through water pressure to a set of pipes. The hydraulis was played in the arenas of the Roman Empire.

https://m.youtube.com/watch?v=AN1bWUaiCo

 Jpr: has me one from the 60s ifn a body wants it!