| Description | Half-hourly observations made aboard HMS Sulphur, at the island of Tobago [Republic of Trinidad and Tobago] in the Caribbean, commencing at 9.00pm on 21 March and concluding at 6.00pm on 22 December. Columns for date and time, barometers (designated as Cary's and Troughton), air and sea temperatures, hygrometer temperature and dew point, with wind with two thermometer readings (designated 356 and 88, the former buried), wind direction and general comments.
Headed [p.1]: 'Panama [?] Barometrical Observations &c Island of Tobago'. Signed [p.2] by Edward Belcher. |