| RefNo | MS/119/1/65 | 
| AltRefNo | MS/119/1 p140-141 | 
| Level | Item | 
| Title | Letter from Humphrey Lloyd, Trinity College, Dublin to James Clark Ross, HMS Erebus | 
| Date | 27 April 1839 | 
| Description | Information for Ross regarding the construction of two circles, by [Thomas] Grubb, to be used with two of his other instruments. | 
| Extent | 4p | 
| Format | Manuscript | 
| PhysicalDescription | Ink on paper | 
| AccessStatus | Open | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8252 | Lloyd; Humphrey (1800 - 1881) | 1800 - 1881 | 
| NA7948 | Ross; Sir; James Clark (1800 - 1862); polar explorer | 1800 - 1862 |