| Introduction |
8:39
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| Chapter I: Radioactivity Of Uranium And Thorium |
32:29
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| Chapter II: Method Of Research, Pt 1 |
27:51
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| Chapter II: Method Of Research, Pt 2 |
21:44
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| Chapter III: Radiation Of The New Radioactive Substances, Pt 1 |
28:23
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| Chapter III: Radiation Of The New Radioactive Substances, Pt 2 |
22:39
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| Chapter III: Radiation Of The New Radioactive Substances, Pt 3 |
37:39
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| Chapter III: Radiation Of The New Radioactive Substances, Pt 4 |
33:14
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| Chapter IV: Communication Of Radioactivity To Substances Initially Inactive, Pt 1 |
19:00
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| Chapter IV: Communication Of Radioactivity To Substances Initially Inactive, Pt 2 |
35:10
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| Chapter IV: Communication Of Radioactivity To Substances Initially Inactive, Pt 3 |
20:46
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| Nature And Cause Of The Phenomena Of Radioactivity |
8:41
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