E.D. Drown => Philadelphia Academy of Natural Sciences
Rutil?
Vekt: 134.08 g
Doserate: < 8 µSv/h
Photo:
Norsk Bergverksmuseum
E.D. Drown => Philadelphia Academy of Natural Sciences
Rutil?
Vekt: 134.08 g
Doserate: < 8 µSv/h
Photo:
Norsk Bergverksmuseum