Vaisala RS21 radiosonde, serial no 624957-8, for 400 MH3 Meteorological frequency band Meteorology 1971
Bibby recorder Mark II, Met Ref No 985, MO 22/51, demonstration model, with perspex cover Meteorology 1951
Abel's flash-point apparatus for petroleum, with two mercury thermometers by Baird & Tatlock Ltd., London, 1910-12, serial no. 3163. Abel's Flash Point Apparatus, London, 1910-1912 Experimental Chemistry 1910-1912
Infra-red detector with brass housing and lead telluride, with spare detector, (initial callibrations included), British, made by Mullard, 1949-1959. Lead Telluride Infra-Red Detector, 1949-1959 Heat 1949-1959
Copper fuel-line with four-way ‘cross-type’ threaded pipe connector, unsigned, Europe, 1970-1973. From high altitude, pressurized hot-air balloon ‘Daffodil II’ cabin: with the overall design specification by Julian Nott, England; cabin shell structure designed by Roger Munk at Aerospace Developments, London, England, and Tony Offredi, England; and constructed by Maidboats Limited, Thames Ditton, Surrey, England, 1973. On 25th February 1974, Julian Nott and Felix Pole used ‘Daffodil II’, to break the world hot-air balloon altitude record. They reached a height of 13,961 metres near Lake Bhopal, central India. Fuel-line, from hot-air balloon ‘Daffodil II’ cabin: 1974 world altitude record holder Aeronautics 1973
