| RGO Archives/RGO 9 contains: |
|---|
| <-- See earlier |
|---|
| 92 |
Correspondence on the Cookson Telescope |
| 93 |
Correspondence on the 30-inch telescope |
| 94 |
Correspondence on a hollow pentagon |
| 95 |
Correspondence on chronographs |
| 96 |
Correspondence on instruments |
| 97 |
Letter regarding magnetic instruments |
| 98 |
Letter regarding a rain recorder |
| 99 |
Correspondence on the Melbourne Transit Instrument |
| 100 |
Correspondence on telescopes |
| 101 |
Correspondence on the mirror transit instrument |
| 102 |
Correspondence on the meridian circle |
| See later --> |
|---|
![[Home]](/images/logo.gif){kind=logo}
