The Oramic Synthesiser

[Channel Hopper]

Now Complete

'Old school' synthesiser built 40 years on - BBC News

And there is a - non free - app to hear it

Oramics App Recreates Pioneering Synth Of Daphne Oram For iOS

Better search for it on Youtube

 

[Lazarus]

Drat.

I thought there must have been a typo when I saw the Title.