Letter from Forbes Macbean, Woolwich, to Sir Joseph Banks [President of the Royal Society] and Gentlemen of the Council Resigning on behalf of Forbes Macbean owing to his loss of sight and declining memory. The letter also contains a request for information from Messrs Cox and Greenwood on any possible outstanding debt with reference to recent payments made by Doctor Buxton of Greenwich. Written in the hand of an amanuensis, signed with Macbean's name. 4 April 1800