Radiation monitor testing. Worker using radioactive filter paper to test a radiation monitoring device (lower left). The filter paper was soaked in a radioactive liquid prepared from a radioactive source (stored in the shielded box,lower right). The monitor is a form of Geiger-Muller tube. It is a Mini 900 EP15 ratemeter from the Thermo Electron Corporation (now Thermo Scientific). Photographed as part of work carried out by the UK's Health Protection Agency | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Public Health England |
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