| RGO Archives/RGO 21 contains: |
|---|
| 1 |
Royal Observatory Bulletins |
| 2 |
Bulletins on the Time and Latitude Service |
| 3 |
Bulletins on photoheliographic results |
| 4 |
Bulletins on Geomagnetism |
| 5 |
Collected Bulletins |
|
Royal Observatory Bulletins
| Title |
Collected Bulletins |
| Reference |
RGO 21/5 |
| Covering Dates |
1971–1975 |
| Extent and Medium |
2 volumes |
|
| Content and context |
Two volumes from a numbered series of collected 'Royal Observatory Bulletins'. |
| RGO Archives/RGO 21/5 contains: |
|
1
|
R.O. Bulletins, Vol. 19. 'Royal Greenwich Observatory Bulletins', Vol. 19, containing Bulletins Nos 154-170, 1969-1971.
1 volume. |
1971 |
|
2
|
R.O. Bulletins, Vol. 20. 'Royal Greenwich Observatory Bulletins', Vol. 20, containing Bulletins Nos 171-181, 1971-1975.
1 volume. |
1975 |
|
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