5 items found

Magnetic results 1970: Eskdalemuir, Hartland and Lerwick (1973)

Institute of Geological Sciences

Magnetic results 1969: Eskdalemuir, Hartland and Lerwick (1973)

Institute of Geological Sciences

Magnetic results 1962,1963 and 1964 (Hartland) (1971)

Royal Greenwich Observatory

Magnetic results 1958 (Hartland) (1966)

Royal Greenwich Observatory

Magnetic results 1957 (Abinger and Hartland) (1963)

Royal Greenwich Observatory