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: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

The following 2 pages link to this image: