ArchivesStructure
Works 1966-1974 MET/1/16/ Sydenham 1945-1965 MET/1/20/ Long Kesh 1979-1993 MET/1/76/ Bryansford 1979-1993 MET/1/125/ Foyle Bridge 1990 MET/1/138/ Ballinacor 1979-1986 MET/2/ Barograms: Tracing made by barographs, showing graphically the variations of atmospheric pressure for a given time. 1868-1992