MINERAL 
Samarskite 
Norway 
Sipylite 
Virginia 
Euxenite 
Norway 
Aeschynite 
Norway 
Monazite 
Virginia 
Microlite 
Virginia 
Allanite 
Virginia 
Cerite 
Sweden 
PLATE. TV 
ONE WEEK Two Days 
One Day 
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| T 
RADIOGRAPHS—COMPARATIVI 
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S EXPOSURES 
ONE Hour 
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