Meteorological observations at Point St. Francisco, Maranham [Maranhao, Brazil], by Henry Foster and others Hourly readings of temperature and atmospheric pressure, 24 per day: in columns of barometer, corrected barometer, temperature [attached, Sun and air]. With wind direction and force, weather and dew point, and general remarks on the weather and sea conditions. With a title page: 'Horary Barometrical Observations. Point St. Francisco Maranham'. Each page is headed: 'Meteorological Remarks at Maranham...'. The final page [p.184] is signed 'Horatio T. Austin, Commander'. Horatio Thomas Austin (1800-1865), took command of H.M.S. Chanticleer, following the accidental drowning of Captain Henry Foster, in 1831. 3-24 August 1830