Bell 05 / 31Carillon2023
Lark
DWG 23-533Drawn from the working profile. Not to print scale.
01Bell details
The highest of forty-nine. At 212 mm, its sound bow is thicker than its waist is wide.
- Commission
- Top bell of a 49-bell carillon
- Place
- Carillon of the Library, Norwell
- Inscription
- LARK
- Metal
- Bell metal, 78% copper, 22% tin
- Mould
- Loam, swept by strickle
- Tuning
- True-harmonic, five partials
02Tuning record3,679.2 Hz nominal
| Partial | Ratio | Measured | Off | Deviation |
|---|---|---|---|---|
| Hum | ·25 | 923 Hz | +6¢ | |
| Prime | ·5 | 1,843.9 Hz | +4¢ | |
| Tierce | ·6 | 2,202.4 Hz | -4¢ | |
| Quint | ·75 | 2,754.6 Hz | -3¢ | |
| Nominal | 1 | 3,679.2 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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Brother Wat
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