V. Center Pin.

W. Hammer Stem or Shank.

X. Hammer Head.

Y. Hammer Felt. Treble hammers sometimes capped with buckskin in
old instruments.

TOP ACTION OF SQUARE PIANO.

1. Damper Lifter Wire.

2. Damper Lifter Buttons.

3. Damper Felt.

4. Damper Head.

5. Damper Lever.

6. Damper Leads.

7. Shade, supported by wire stanchions, on top of which are
screwed shade buttons.

8. Damper Rail. Tilted by Loud Pedal Rod which raises all the
dampers simultaneously.

9. Damper Flange.