A gramme of radium costs £12,000, and is of about the size of a threepenny-bit. There are only 500 grammes in the world. The soot discharged into the atmosphere in Britain, each year represents three days’ coal output of all the mines of the country.
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Bibliographic details
Southland Times, Issue 20664, 20 April 1929, Page 23
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45Untitled Southland Times, Issue 20664, 20 April 1929, Page 23
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