A folder titled 'James Glaisher Esq, FRS, FRAS' containing calculations with the title 'Numerical values of the three factors, for error of collimation, for error of level, and for azimuthal error, in the Reductions of the Transit observations of principal stars at Hartwell and adjacent observatory's'; calculations titled 'Numerical values for every degree of N P D of the factors to be used in the Reduction of the Transit observations at Hartwell and adjacent observatory's'; printed material from the 'Illustrated London Almanack for 1849' on 'The Thermometer', with a handwritten note at the top of the page: 'Dr Lee with Mr Glaisher March 5'; printed material from the 'Illustrated London Almanack for 1849' titled 'On the recently-discovered planets', with a handwritten note at the top of the page: 'with Mr Glaishers results'; notice from the Society of Arts, Manufacturers, and Commerce concerning 'Lectures on the Exhibition' and stating that 'James Glaisher Esq, FRS' would be talking on philosophical instruments and processes on 4 February 1852 (the lecture was probably concerned with displays at the Great Exhibition of 1851); an obituary of J.H. Belville from the 'Kentish Mercury', 14 July 1856; pages copied from 'The Athenaeum' relating to J. Glaisher's services in the field of meteorology; a determination of the index error of Barrow's Standard Barometer No. 117; several comparisons of thermometer readings; minutes of the meeting of the British Meteorological Society at Hartwell House, 2 August 1855; and various pieces of work relating to the meteorological instruments at Hartwell House, 1850-1856, including a prospectus from Negretti and Zambra concerning their patent thermometers.