| RefNo | MA/108/3 |
| Previous numbers | MA.108 |
| Level | Item |
| Title | Tidal observations at Sheerness, England, by James Mitchell |
| Creator | Mitchell; James (fl.1830s); British master millwright |
| Date | 5 October-4 November 1831 |
| Description | Two diagrams showing high and low waters at Sheerness, Kent, determined by self-registering tide gauge. The height of tide in feet is plotted on the vertical axis, with time in hours and quarter-hours on the horizontal axis. The curves contain occasional notes on wind direction and strength.
Headed: [p.2]: 'Diagram shewing the Time of High and Low Water at Sheerness Traced by the Tide Gauge between Change 5th Octr. P.M. and Full Moon 21st A.M.' Repeated [p.3] reversed for Full Moon and Change, A.M. and P.M. for the dates 21 October to 4 November. Stamped [p.1]: 'Soc. Reg. Lond.'. The diagrams are signed [p.2 and p.3]: 'J. Mitchell
The tide gauge from Sheerness Dockyard, used in these observations, is in the collections of the Royal Museums, Greenwich [ID ref. NAV0996]. |
| Extent | 4p. [p.4 blank]. |
| Format | Manuscript |
| PhysicalDescription | Ink on paper, blue paper covers. Front cover inscribed 'Diagrams of the Tides at Sheerness'. In pencil 'No.2' |
| Dimensions | 301x432mm. |
| AccessStatus | Open |