Letter from Edward Sabine Discusses the ‘principle objects of scientific interest’ which may be achieved by a ‘residence of Tenerife during one of the summer months’ regarding ‘the temperature and elasticity of the aqueous vapour in the earth’s surface’, ‘force of radiation of heat’, and ‘comparative barometrical register at the sea’. Refers to experiments suggested in the arctic circle. Discusses the station at Tenerife. Refers to pendulum experiments and the Board of Longitude. 19th century