| Description | Present at the meeting: the Marquis of Northampton, President, in the chair; Dr Martin Barry; Mr Christie; Reverend J Cumming; Mr Daniell; Dr R Lee; Mr Miller; Dr Roget
Read and confirmed minutes of the last meeting
Lieutenant Lefroy On the influence of the Moon on the atmospheric pressure, as deduced from the Observations of the Barometer made at the Magnetic Observatory at St Helena. Postponed
Mr Drach On the diurnal temperture of the Earth's surface etc. Withdrawn
Sir John Herschel On certain improvements on photographic processes, described in a former communication. To be printed |