Reductions of the Greenwich meteorological observations, 1848-1868. The volume includes Airy's request for a £100 grant to reduce the meteorological observations; notes on reducing the observations; interim reports on the state of temperature reductions, 1848-1868, and barometer reductions, 1854-1873; government cereal and harvest statistics; correlation of harvest statistics and meteorological observations; and two copies of draft interpretations of the reductions of the temperature observations, with two sets of graphs and plates relevant to the above reductions. The papers include correspondence with G.H. Richards, J. Glaisher and W.S. Jevons.