| Reference number | MS/257/5/72 |
| Alternative reference number | Sa.1752 |
| Previous numbers | ES5/16/1752 |
| Level | Item |
| Title | Letter from John Welsh, Kew Observatory to Edward Sabine |
| Date | 26 May 1857 |
| Description | Welsh informs Sabine the forms have not been printed as well as the old ones. Welsh notes the nine inch dip circle will be used well for Captain [Francis Leopold] McClintock. Discussion regarding Fox’s dip circle used under Dr [Humphrey] Lloyd’s plan. Welsh updates regarding the condition of two vertical force needles, one recently returned from Breslau, and one shown at Paris in 1855 [referring to the Exposition Universelle or International Exhibition]. Discussion regarding inconvenience in the cross supports of the dip circle. Update regarding Mr Blakiston’s use of the unifilar. |
| Extent | 6p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA1680 | Welsh; John (1824 - 1859) | 1824 - 1859 |
| NA8279 | Sabine; Sir; Edward (1788 - 1883) | 1788 - 1883 |