{{Information |Description=Illustration showing a tube for applying radium salts |Source=Knox, Robert (1918). Radiography and Radio-therapeutics: Radio-therapeutics...
100 Milligram glass tube (contained in silver tube, y% m- m-wall thickness) applicators ARE THE MOST SERVICEABLE HIGH PURITY SALT U. S. BUREAU OF STANDARDS...
accumulated. The capillary tube containingthe radium emanation under reduced pressure can be di-vided into the desired number of smaller tubes by the care-ful use...
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