![Open upright piano. Renner action close up. German piano action, internal mechanism. Piano tuning, repair and maintenance. Hammers Stock Photo - Alamy Open upright piano. Renner action close up. German piano action, internal mechanism. Piano tuning, repair and maintenance. Hammers Stock Photo - Alamy](https://c8.alamy.com/comp/2ECE141/open-upright-piano-renner-action-close-up-german-piano-action-internal-mechanism-piano-tuning-repair-and-maintenance-hammers-2ECE141.jpg)
Open upright piano. Renner action close up. German piano action, internal mechanism. Piano tuning, repair and maintenance. Hammers Stock Photo - Alamy
![Open upright piano. Louis Renner action close up. German piano action, internal mechanism. Piano tuning, repair and maintenance. Hammers Stock Photo - Alamy Open upright piano. Louis Renner action close up. German piano action, internal mechanism. Piano tuning, repair and maintenance. Hammers Stock Photo - Alamy](https://c8.alamy.com/zooms/9/d8b4e28d109c4f3fa140b05e31c16956/2ece13h.jpg)
Open upright piano. Louis Renner action close up. German piano action, internal mechanism. Piano tuning, repair and maintenance. Hammers Stock Photo - Alamy
![Forsyth Music Shop on X: "100% definitely made before 1989. Renner piano action in one of our Bösendorfers. https://t.co/4tqR1qC52N" / X Forsyth Music Shop on X: "100% definitely made before 1989. Renner piano action in one of our Bösendorfers. https://t.co/4tqR1qC52N" / X](https://pbs.twimg.com/media/DL7xRuHUMAE94GY.jpg:large)