| RGO Archives/RGO 21/1 contains: |
|---|
| <-- See earlier |
|---|
| 52 |
R.O. Bulletins, No. 55 |
| 53 |
R.O. Bulletins, No. 56 |
| 54 |
R.O. Bulletins, No. 57 |
| 55 |
R.O. Bulletins, No. 58 |
| 56 |
R.O. Bulletins, No. 59 |
| 57 |
R.O. Bulletins, No. 60 |
| 58 |
R.O. Bulletins, No. 61 |
| 59 |
R.O. Bulletins, No. 62 |
| 60 |
R.O. Bulletins, No. 63 |
| 61 |
R.O. Bulletins, No. 64 |
| 62 |
R.O. Bulletins, No. 65 |
| See later --> |
|---|
|
Royal Observatory Bulletins
| Title |
R.O. Bulletins, No. 70 |
| Reference |
RGO 21/1/67 |
| Covering Dates |
1963 |
| Extent and Medium |
1 volume |
|
| Content and context |
'Royal Observatory Bulletins', Number 70, 'The E-Region Zero-Point Programmes' by A.W.J. Cousins. |
| No further on-line information. |
|
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