Image: Gravikord

Original image(425 × 923 pixels, file size: 28 KB, MIME type: image/jpeg)

Description: Electric double harp invented and patented by Robert Grawi.
Title: Gravikord
Credit: Own work
Author: Robert Grawi
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link:
Attribution Required?: Yes

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