| RGO Archives/RGO 9 contains: |
|---|
| <-- See earlier |
|---|
| 85 |
Correspondence on the transit circle |
| 86 |
Correspondence on the Cookson Floating Telescope |
| 87 |
Correspondence on the 30-inch telescope |
| 88 |
Correspondence on instruments |
| 89 |
Correspondence on spectroscopes |
| 90 |
Correspondence on spectroscopic equipment |
| 91 |
Correspondence on the transit circle |
| 92 |
Correspondence on the Cookson Telescope |
| 93 |
Correspondence on the 30-inch telescope |
| 94 |
Correspondence on a hollow pentagon |
| 95 |
Correspondence on chronographs |
| See later --> |
|---|
![[Home]](/images/logo.gif){kind=logo}
