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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 ene 1922 año - Film badges first developed to measure exposures to radiation. Amelia Maggia is first of the "Radium Dial Painters" to die from radiation poisoning
Añadido al timeline:
Radiation Timeline
By
Joshua Ha
8 jun 2018
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522
fecha:
1 ene 1922 año
Ahora mismo
~ 103 years ago
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