SOUTH WEST
HERITAGE TRUST
: Local Studies Catalogue
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LIBRARY
Devon (3)
West Country Studies (3)
SUBJECT
Science & The Natural World (3)
Physics (3)
Magnetic observations (3)
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
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