| RefNo | MS/119/2/98 | 
| Level | Item | 
| Title | Letter from William James Smythe, Longwood, St Helena to Humphrey Lloyd | 
| Date | 30 June 1842 | 
| Description | Smythe thanks Lloyd for sending a description of his new magnetical instrument. Discussion on low readings of the intensity from the declination magnetometer than was expected. Smythe sends Lloyd a copy of readings from 10am and 1pm [not enclosed], and discusses what these readings show and the possible cause. Smythe describes removing the magnet from its suspension thread and finding a difference that suggests its removal was the cause of the disturbance. | 
| Extent | 4p | 
| Format | Manuscript | 
| PhysicalDescription | Ink on paper | 
| AccessStatus | Open | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA2701 | Smythe; William James (1816 - 1887) | 1816 - 1887 | 
| NA8252 | Lloyd; Humphrey (1800 - 1881) | 1800 - 1881 |