| RGO Archives/RGO 5 contains: |
| <-- See earlier |
| 96 |
Observations |
| 97 |
Mural circle errors and reductions |
| 98 |
Mural circle index error |
| 99 |
Mural circle observations |
| 100 |
Mural circle index errors |
| 101 |
Index errors and reductions |
| 102 |
Computation of north polar distances |
| 103 |
Mural circle index errors |
| 104 |
Mural circle index errors |
| 105 |
Mural circle index errors |
| 106 |
Mural circle index errors |
| See later --> |
|
Papers of John Pond
| Title |
Index errors and reductions |
| Reference |
RGO 5/101 (former reference: A2/133) |
| Covering Dates |
1825 |
| Extent and Medium |
1 volume |
|
| Content and context |
Investigation of the Troughton and Jones mural circles and index errors of the two circles, using two and six microscopes, 18 January - 4 May 1825; complete reduction of star observations with the Troughton and Jones mural circles, 14 May - 5 September 1825. |
| Further information |
Indexed |
| Index Terms |
| Troughton, Edward (1753-1835) scientific instrument maker |
| Jones, Thomas (1775-1852) optician |
| No further on-line information. |
|