Spec Blindness and How you can Avoid It.What to Avoid when hiring a piano mover.Find Your Piano’s Age & History with it's Serial Number.We provide our customers with the following real-life diagrams to quickly help them find the serial number on their grand or upright piano. To recap the interior: the serial number can be found on the back of the keyslip, on the action's keyframe, or on the cheek blocks (each side), once removed. The serial number is considered your piano’s birth certificate, and it is the way the original manufacturer assigned it a unique. I have a Grinnell Bros piano serial 35523. Would like to know the age of weser bros piano 85051 and value. An online listings of piano serial numbers/ages can be seen at Bluebook of. To the right and left of the keys are two end cheek blocks, which are each secured down with a giant bolt or screw, which passes through the piano's keybed, both of which must be removed, to access the interior of the piano (see video, above).Ĭaution: When unscrewing and removing the cheek blocks, do not mistake the piano's leg screw/bolt, with the cheek block's screw/bolt.Īlso, be careful not to drop the cheek blocks once they are removed, which may gouge and permanently damage their delicate condition. A Listing of Player Piano Makers and Player. History: The Grinnell Brothers Piano Company was established in 1882 and produced pianos for close to a century. The serial number may be stamped on the frame's wooden base, immediately under the keys. In December of 1964 I bought a new Wurlitzer model 145B at Grinnell Bros music store in.

On older pianos, you may find 3-5 screws, underneath the keyslip, that need to be removed (lift up, in most cases) to view the action frame. And why the P designation at the end of some/all serial numbers. one or both of the cheek blocks, viewed to the right and left of the piano's keyboard. action frame (after the keyslip is removed), or stamped on Serial number is often hidden and stamped on the other side, facing the keys). keyslip (long wooden ledge, runs along the front/bottom of the keys.

On a metal plate underneath the piano's top lid, near the strings and soundboard.

On the piano's soundboard (see link above for a diagram).

On the piano’s cast iron plate, near the tuning pins, as you face the keys.

Located on the right, this acts as a 'bridge' to the 'beams' of the cast iron plate. Note: You may have to remove the (1) music desk first and then (2) gently clean out any dust from your piano's plate before these numbers can be found. Here are the TOP FIVE places to locate the serial number of your BABY GRAND or GRAND piano:

Grinnell brothers piano serial number