File:Harp Harmonique Piccolo Cylinder Music Box, Troll & Baker Co., Geneva, Switzerland, c. 1886-1888 - Franklin Institue - DSC06642.JPG - Wikimedia Commons
![SWISS | A GOLD, ENAMEL AND DIAMOND-SET MUSICAL HARP CIRCA 1810 | The Collection of a Connoisseur 掌上的百年風華: 鐘錶及裝飾藝術收藏 | | Sotheby's SWISS | A GOLD, ENAMEL AND DIAMOND-SET MUSICAL HARP CIRCA 1810 | The Collection of a Connoisseur 掌上的百年風華: 鐘錶及裝飾藝術收藏 | | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/b1ad98f/2147483647/strip/true/crop/710x2000+0+0/resize/2048x5769!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2F28%2Faa%2F8c04785c48089b42004ce5f1d66d%2F010l20313-bdfrl-4.jpg)
SWISS | A GOLD, ENAMEL AND DIAMOND-SET MUSICAL HARP CIRCA 1810 | The Collection of a Connoisseur 掌上的百年風華: 鐘錶及裝飾藝術收藏 | | Sotheby's
![SWISS | A GOLD, ENAMEL AND DIAMOND-SET MUSICAL HARP CIRCA 1810 | The Collection of a Connoisseur 掌上的百年風華: 鐘錶及裝飾藝術收藏 | | Sotheby's SWISS | A GOLD, ENAMEL AND DIAMOND-SET MUSICAL HARP CIRCA 1810 | The Collection of a Connoisseur 掌上的百年風華: 鐘錶及裝飾藝術收藏 | | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/fae51b0/2147483647/strip/true/crop/706x2000+0+0/resize/2048x5802!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2F44%2F89%2F8556285340bdbf96f78215291534%2F010l20313-bdfrl-2.jpg)