Radiochemists_in_the_counter_room_on_the_USS_CHILTON_making_Alpha_and_Beta_counts_on_samples_from_Bikini_Atoll,_1947_(DONALDSON_140).jpeg (489 × 600 pixels, file size: 34 KB, MIME type: image/jpeg)
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current | 06:13, 10 February 2019 | 489 × 600 (34 KB) | BMacZeroBot |
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