| RGO Archives/RGO 4 contains: |
|---|
| <-- See earlier |
|---|
| 147 |
Observations of Flamsteed and Bradley |
| 148 |
Star catalogues |
| 149 |
Letters from Maskelyne to Henry Andrews |
| 150 |
Journal of voyage to St Helena |
| 151 |
Transit telescope observations |
| 152 |
Notes on Harrison's timekeeper |
| 153 |
Account of Maskelyne's chronometer |
| 154 |
Comparison of chronometers |
| 155 |
Journal of voyage from Bengal |
| 156 |
Journal of voyage to Bombay |
| 157 |
Journal of voyage to Java Head |
| See later --> |
|---|
|
Papers of Nevil Maskelyne
| Title |
Notes on Harrison's timekeeper |
| Reference |
RGO 4/152
(former reference: A2/421A) |
| Covering Dates |
1765 |
| Extent and Medium |
1 envelope |
|
| Content and context |
'Notes taken at the discovery of Mr Harrison's time-keeper' - observations on the accuracy of John Harrison's clock, made on a voyage to Barbados, 1765, and including the method employed to examine the clock, its efficiency and areas which could be improved. |
| Further information |
|
The notes are found in a somewhat modified form in E.G. Forbes, 'The Principles of Mr Harrison's Time-keeper' (London, 1767).
Indexed
|
| Index Terms |
| Barbados |
| Time Measuring Instruments |
| Harrison, John (1693-1776) horologist |
| No further on-line information. |
|
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