Correspondence regarding, chiefly, meteorological instruments and experiments, with related papers. The volume includes illustrations and a description of G. Dollond's weather instrument for measuring wind, rain, humidity and temperature; material on J.T. Goddard's improved anenometer; instructions for fixing the standard barometer; a piece from the 'Nautical Magazine' on an aneroid barometer; 'Lawson's meteorological thermometer stand'; discussions with J.D. Forbes on one year's observations of thermometers in the environs of Edinburgh; papers on E.C. Simmons' horticultural hygrometer; material relating to various electrical experiments with galvanometers and magnetometers in order to isolate and demonstrate static electricity; and J. Glaisher's second report on his Kew visit. There are also two faded photographic images. The correspondents include R. Sheepshanks, F. Ronalds, H.V. Addington, C. Wheatstone and F. Baily.