CC0 · no rights reserved
Polygonal Virginal converted to a Tangent Piano
From the collection of The Metropolitan Museum of Art. Free to download, adapt and use — no permission needed.
Credit linePolygonal Virginal converted to a Tangent Piano. 1585 or 1587; converted in 1717. Franciscus Bonafinis. The Metropolitan Museum of Art, The Crosby Brown Collection of Musical Instruments, 1889. CC0.