| RGO Archives/RGO 45 contains: |
|---|
| <-- See earlier |
|---|
| 34 |
Correspondence with A.W. Heath |
| 35 |
Letters from M.B.B. Heath |
| 36 |
Letters from Paul Herget |
| 37 |
Letter from Ernest Heslop |
| 38 |
Correspondence with K.B. Hindley |
| 39 |
Letter from W.P. Hirst |
| 40 |
Photographs and papers of E.A. Holmes |
| 41 |
Correspondence with W.H. Julian |
| 42 |
Letters from Michael Kamienski |
| 43 |
Letter to Mr Karmu |
| 44 |
Correspondence with the R.O.E. |
| See later --> |
|---|
|
Papers of John Guy Porter
| Title |
Letter from W.P. Hirst |
| Reference |
RGO 45/39 |
| Covering Dates |
1953 |
| Extent and Medium |
8 pages |
|
| Content and context |
A letter from W.P. Hirst regarding a paper on 'The Differential Correction of Orbits', based on a method by Porter. There is also a seven-page draft of the paper. |
| No further on-line information. |
|
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