| Description | Hourly observations, followed by readings taken at various intervals during the hour, to as little as ten minutes, from 18.00hrs on 20 December, to 6.00hrs on 22 December. Columns for date and time, barometer in millimeters, attached and detached thermometers, Augustes psychometer Reamur's scale, with general remarks on the weather.
Headed [p.1]: 'Meteorological Observations made at La Paz, Bolivia at the Summer Solstice of 1837...'. Signed and dated [p.2]: 'La Paz Decr. 23 1837 J.B. Pentland'. Endorsed 'La Paz Summer Solstice 1837'. |