| LC control no. | sh 85138644 |
|---|---|
| LC classification | QC235 |
| Topical heading | Tuning forks |
| See also | Sound--Equipment and supplies |
| Found in | Amer. heritage dict. (tuning fork; a small two-pronged metal device that when struck produces a sound of fixed pitch that is used as a reference, as in tuning of musical instruments) Random House. |
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