| RefNo | MA/338/3 |
| Previous numbers | MA.339 |
| Level | File |
| Title | Wind and rain curves recorded at Singapore Observatory, supervised by Charles Morgan Elliot |
| Creator | Elliot; Charles Morgan (1815-1852); British army officer and engineer |
| Date | 1 January-31 December 1844 |
| Description | Daily curves made by a self-recording anemometer at Singapore Observatory. Each sheet records three tracks from 12.00 noon to 12.00 noon on successive days. The central line records wind direction, while wind speed and possibly rainfall appear on the lines above and below, most likely recorded by an Osler anemometer.
Each sheet is dated, usually inscribed 'Magnetic Observatory Singapore', and signed with variations on 'C.M. Elliot Lt. Engineers'. Occasionally inscribed verso, with general titles and depatch information via Southampton. |
| Extent | 732p. [verso pages blank, with exceptions] |
| Format | Printed |
| Manuscript |
| PhysicalDescription | Ink on paper |
| Dimensions | 330x402mm. |
| AccessStatus | Open |