| RGO Archives/RGO 6 contains: |
|---|
| <-- See earlier |
|---|
| 648 |
Records of the bifilar and vertical force magnets |
| 649 |
Records of the bifilar and vertical force magnets |
| 650 |
Records of the bifilar and vertical force magnets |
| 651 |
Records of the bifilar and vertical force magnets |
| 652 |
Records of the bifilar and vertical force magnets |
| 653 |
Declination magnet adjustments |
| 654 |
Records of the new vertical force magnet |
| 655 |
Reductions of magnetic storms |
| 656 |
Readings of magnetic storms |
| 657 |
Reductions of magnetic storms |
| 658 |
Correspondence on magnetic reductions |
| See later --> |
|---|
![[Home]](/images/logo.gif){kind=logo}
