Piano
device · 1700 · Early modern era
A keyboard instrument with a hammer action (Cristofori).
Inventor: Bartolomeo Cristofori.
What it is made of
- Keyboard — has part. A keyboard.
- Lever — has part. The hammer action is a system of levers.
- Piano hammer — has part. Hammers strike the strings.
Principles and materials it uses
- Tuning fork — uses. Tuning.
- String vibration — uses. Strings.
- Wood — is made of. The case and soundboard are wooden.
- Brass — is made of. The strings of early pianos were brass and iron.
- Felt — is made of. The hammers are covered with felt.
History: what it evolved from and what it influenced
- Harpsichord — evolved from. Hammers instead of plucking.
What it is a kind of
- Player piano — includes. A piano.