LONDON: PRINTED BY EDWIN JOHN DAVEY, 16, NEWCASTLE STREET, FARRINGDON STREET, E.C.
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[_Reprinted from the_ CHEMICAL NEWS, _1903, Vol. 88, p. 85 et seq._]
From Radio-Active Substances by Marie Curie.
LONDON: PRINTED BY EDWIN JOHN DAVEY, 16, NEWCASTLE STREET, FARRINGDON STREET, E.C.
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[_Reprinted from the_ CHEMICAL NEWS, _1903, Vol. 88, p. 85 et seq._]