| Description | Observational suggestions (not numbered) for voyages to the North Pole, commencing 'Mr William Wales, one of the Gentlemen who are sent by the Royal Society to Prince of Wales Fort in Hudson's Bay....' Organised in three parts: on improving William Wales's observations; observations of ice; and observations of the Sun's light and heat. Compiled in response to a request from the Board of Longitude, via the President of the Royal Society, in preparations for the expeditionary voyage commanded by Constantine John Phipps (1744-1794), later 2nd Baron Mulgrave. |