| RGO Archives/RGO 9 contains: |
| <-- See earlier |
| 677 |
Applications to view the Observatory |
| 678 |
Applications to view the Observatory |
| 679 |
Computers' observing book. |
| 680 |
Time factor corrections |
| 681 |
Yapp Reflector tables |
| 682 |
Papers on the Colonial Survey and Geophysical Committee |
| 683 |
Correspondence on the London Planetarium |
| 684 |
Papers on National Physical Laboratory |
| 685 |
Papers on National Physical Laboratory |
| 686 |
Papers on National Physical Laboratory |
| 687 |
Papers on National Physical Laboratory |
| See later --> |