File:Radium source in radium emanator.jpg
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![File:Radium source in radium emanator.jpg](http://178.128.105.246/host-https-upload.wikimedia.org/wikipedia/commons/thumb/d/df/Radium_source_in_radium_emanator.jpg/800px-Radium_source_in_radium_emanator.jpg?20130113174550)
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