Centralwestpianos - Beautifully made Piano Action by "Oscar Kohler" Berlin. Made in 1912. ( Action Flanges here being serviced with Polymer Lubricants. ) | Facebook
Golden Era Piano Museum. - . "Carl Hardt" Art Case piano c mid 1870's Unfortunately with two world wars decimating much of Europe and Germany,very little is known about Carl Hardt, whose
![PIANO SOLEIL - N°16 DU 21 AVRIL 1901 : IMPROMPTU VALSE + MISS ELLEN. by BERGE IRENEE / KOHLER OSCAR: (1901) Sheet Music | Le-Livre PIANO SOLEIL - N°16 DU 21 AVRIL 1901 : IMPROMPTU VALSE + MISS ELLEN. by BERGE IRENEE / KOHLER OSCAR: (1901) Sheet Music | Le-Livre](https://pictures.abebooks.com/inventory/12273625620.jpg)