Bell 17 / 31Single bell1998
Old Harrow
DWG 98-690Drawn from the working profile. Not to print scale.
01Bell details
A seventeenth-century bell, cracked beyond welding. We copied its profile from a rubbing and recast it in its own metal.
- Commission
- Recast of a 1680 bell
- Place
- Harrow Farm Chapel
- Inscription
- RECAST 1998 FROM A BELL OF 1680
- Metal
- Bell metal, 78% copper, 22% tin
- Mould
- Loam, swept by strickle
- Tuning
- True-harmonic, five partials
02Tuning record683.3 Hz nominal
| Partial | Ratio | Measured | Off | Deviation |
|---|---|---|---|---|
| Hum | ·25 | 171 Hz | +2¢ | |
| Prime | ·5 | 341.8 Hz | +1¢ | |
| Tierce | ·6 | 410.7 Hz | +3¢ | |
| Quint | ·75 | 510.7 Hz | -6¢ | |
| Nominal | 1 | 683.3 Hz | 0¢ |
Ratios to the nominal. Cents are hundredths of a semitone; within ±6¢ most ears hear the bell as in tune.
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Morrow
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