| RefNo | MA/22/4 |
| Previous numbers | MA.22 |
| Level | Item |
| Title | Meteorological observations at Gardiner, Maine, United States of America, by Robert Hallowell Gardiner |
| Creator | Gardiner; Robert Hallowell (1782-1864); American landowner |
| Date | 21-22 March 1839 |
| 21-22 June 1839 |
| Description | Two sets of hourly observations: the first [p.1] commencing at 6.00am on 21 March and concluding at 6.00pm on 22 March 1839 [Spring equinox]; the second [p.2] commencing at 6.00am on 21 June and concluding at 6.00pm on 22 June 1839 [Summer solstice]. The columns record: date and time of observations; barometer readings; temperature by attached thermometer; external thermometer; wind course; wind strength, weather; and general observations [the latter blank].
Headed [p.1]: 'Vernal Equinox March 21 1839 from 6AM to 6PM March 22d' and above: 'Observations made at Gardiner, Maine, by R.H. Gardiner Esq.' Headed [p.2]: 'Summer Solstice June 21st 1839 from 6AM to 6PM June 22d' with the same superscript text. Endorsed [p.2]: 'Mr. Gardiner Gardiner Maine. 21 June 1839'. |
| Extent | 2p. |
| Format | Manuscript |
| PhysicalDescription | Ink on paper |
| Dimensions | 255x203mm. |
| AccessStatus | Open |