![](https://periodpiano.com/wp-content/uploads/2016/10/Andre-Stein-Square-Piano.jpg)
A Child’s Square piano attributed to Andreas Stein, Vienna, ca. 1810. A similar instrument is in the Kunsthistoriches Museum, Vienna.
A Child’s Square piano attributed to Andreas Stein, Vienna, ca. 1810. A similar instrument is in the Kunsthistoriches Museum, Vienna.