Tuning fork
device · 1711 · Early modern era
A standard of sound frequency (Shore).
Inventor: John Shore.
What it is made of
- Tuning fork prongs — has part. Two vibrating tines.
- Tuning fork stem — has part. A holder.
Principles and materials it uses
- Resonance — uses. A natural frequency.
- Iron — is made of. A tuning fork is a steel or iron fork.
- Steel — is made of. Steel.
Where it is used
- Quartz clock — is part of. Quartz shaped like a tuning fork at 32,768 Hz.
- Piano — is used in. Tuning.