| RGO Archives/RGO 14 contains: |
|---|
| <-- See earlier |
|---|
| 24 |
Papers on clocks and chronometers |
| 25 |
Papers on Arnold and Earnshaw's chronometers |
| 26 |
Remarks on 'Explanation of Time Keepers' |
| 27 |
Remarks on 'Explanation of Time Keepers' |
| 28 |
Specification for marine escapement |
| 29 |
Papers on instruments |
| 30 |
Papers on instruments |
| 31 |
Papers on nautical travel |
| 32 |
Correspondence on finding longitude |
| 33 |
Correspondence on finding longitude |
| 34 |
Correspondence on finding longitude |
| See later --> |
|---|
|
Papers of the Board of Longitude
| Title |
Papers on instruments |
| Reference |
RGO 14/29
(former reference: Vol. XXIV(1)) |
| Covering Dates |
1782–1826 |
| Extent and Medium |
1 volume |
|
| Content and context |
Papers regarding the invention and improvement of various astronomical and nautical instruments, including G. Atkins' instrument for showing the variation of a compass; C. Somay's heliope; R. Blair's improvements to Hadley's quadrant; M. Culloch's azimuth compass; J. Mortlock's artificial horizon; J. Syeds's quadrant with artificial horizon, steering compass, etc.; J. Weir's artificial horizon; R. Walker's azimuth compass; G. Bemfleet's improvements to the compass; W. Staples' portable transit instrument; J. Edwards's compass; D. Kirkpatrick's artificial horizon; J. Dobbin's maritime theodolite; Duncombe's new surveying instrument; D. Rowland's instrument for taking altitudes of the Sun; J. Dykes' instrument for finding latitude; White's artificial horizon; J. Stoyle's propositions for improving the quadrant; and A. Lockwood's universal compass. |
| Further information |
Indexed |
| Index Terms |
| Hadley, John (1682-1744) natural philosopher and mathematician |
| Blair, Robert (1748-1828) surgeon and maker of optical instruments |
| No further on-line information. |
|
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