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Joseph Alexander Gray fonds
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On the Accumulation of Helium in Geological Time
On the Accumulation of Helium in Geological Time
Medical Lectures
Medical Lectures
Reprints 1900-1909
Reprints 1900-1909
Correspondence with Sir Ernest Rutherford, 1909
Correspondence with Sir Ernest Rutherford, 1909
Absorption and Adsorption with Reference to the Radioactive Emanations
Absorption and Adsorption with Reference to the Radioactive Emanations
Radium D and its Products of Transformation
Radium D and its Products of Transformation
Absorption of B rays from Radium by Solutions and Liquids (from Philosophical Magazine)
Absorption of B rays from Radium by Solutions and Liquids (from Philosophical Magazine)
The Phosphorescence Produced by the α- and β-Rays
The Phosphorescence Produced by the α- and β-Rays
Primary and Secondary γ Rays
Primary and Secondary γ Rays
Measurements of the Rate at which Helium is produced in Thorianite and Pitchblende, with a Minimum Estimate of their Antiquity
Measurements of the Rate at which Helium is produced in Thorianite and Pitchblende, with a Minimum Estimate of their Antiquity
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