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・ Radkan, Golestan
・ Radkan, Razavi Khorasan
・ Radke
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・ Radkey
・ Radkhanwala railway station
・ Radkiejmy
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・ Radium (horse)
・ Radium (software)
・ Radium and radon in the environment
・ Radium bromide
・ Radium chloride
・ Radium Dial Company
Radium dials
・ Radium Express
・ Radium Express (ship)
・ Radium Futebol Clube
・ Radium Girl
・ Radium Girls
・ Radium Hill
・ Radium Hot Springs
・ Radium Hot Springs Airport
・ Radium Institute
・ Radium jaw
・ Radium King (ship)
・ Radium Mine
・ Radium Ore Revigator
・ Radium Queen


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Radium dials : ウィキペディア英語版
Radium dials
Radium dials are watch, clock and other instrument dials painted with radioluminescent paint containing radium-226. The 1900s (decade) were the peak of radium dial production, as radiation poisoning was then unknown; subsequently, radium dials have largely been replaced by phosphorescent- or occasionally tritium-based light sources.
==Brands==

*''Undark'' produced by the United States Radium Corporation
*''Luna'' produced by the Radium Dial Company
*''Marvelite'' produced by the Cold Light Manufacturing Company (a subsidiary of the Radium Company of Colorado)

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Radium dials」の詳細全文を読む



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