| RefNo | HS/19/13 |
| Level | Item |
| Title | Summaries of exchanges between Sir John Frederick William Herschel and Henrik Johan Walbeck |
| Date | 1820-1822 |
| Description | Summaries of exchanges between Finnish geodesist Henrik Johan Walbeck (1793-1822) and Sir John Frederick William Herschel, made by the latter, likely as a calendar of exchanges related to his time as Foreign Secretary to the Astronomical Society.
The notes are headed 'Walbeck', with address of his London agent: "Mr G. Cowic. 10 Great St Helen's Bishopsgate Street addressed to Mr Julius at Abo", blue pencil annotations marking the correspondents
May 6 1820, JFWH to Walbeck, invitation to become an associate member of the Astronomical Society, mention of the projected observatory at the Cape.
July 30,1820, Walbeck to JFWH,
January 17 1821, Walbeck to JFWH, requesting information relative to the eclispe of September 7 1820
February 26 1821, JFWH to Walbeck, announcing his election at the Astronomical Society, contains observation of the eclipse by Pond, Kater, South, Baily, Pearson, Wollaston, Brinkley
April 22 1822, JFWH to Walbeck, requesting communication of geodesical results, enclosing papers.
September 1 1822?? , Walbeck to JFWH, incorrectly copied once, then simply recorded. |
| Extent | 1f. |
| Format | Manuscript |
| PhysicalDescription | Ink on paper, blue pencil annotations |
| Dimensions | 24.5cm x 21 cm |
| AccessStatus | Open |
| RelatedRecord | HS/20/113 |
| HS/18/10 |
| HS/18/8 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |