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Roentgen

The röntgen (symbol R) is a unit of dosage of X-rays or gamma radiation, being the dose that liberates positive and negative charges of 2.58×10-4 coulombs per kilogram of air. It is named after the physicist Wilhelm Röntgen.



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Sakhalin

... in Yuzhno Sakhalinsk (http://www.sakhalintimes.com/) See C. H. Hawes, In the Uttermost East (London, 1903). (P. A. K.; J. T. BE.) Based on an article from 1911 ...

 
 
 
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