| RefNo | MA/91/2 |
| Previous numbers | MA.91 |
| Level | Item |
| Title | Letter from Jerónimo del Campo, Madrid, to [John David] Roberton, of the Royal Society, London |
| Creator | Campo; Jerónimo del (1802-1861); Spanish civil engineer |
| Date | 6 June 1842 |
| Description | Hourly meteorological observations made from 6.00am on 21 June 1842 to 6.00am on 22 June 1842 [Summer solstice], with some omissions [4.00-5.00am on 22 June not recorded]. Columns for the hour, barometer, external thermometer, wind direction and brief weather remarks.
Headed [p.1]: 'Observatoire meteorologique de Madrid'. Signed by Jerónimo del Campo. Endorsed [p.4]: 'Meteorological Obs. Madrid 1842'. |
| Language | French |
| Extent | 4p. [pp.2-3 blank] |
| Format | Manuscript |
| PhysicalDescription | On paper |
| Dimensions | 302x212mm. |
| AccessStatus | Open |