A Model PDR1 Portable Dose Ratemeter manufactured by Nuclear Enterprises (NE). NE were a subsidiary of the EMI (UK) music company and had a radiation-detectors factory in Edinburgh Scotland in the mid 1960s. This low-level detector, which measured gamma dose rates up to 10 mR/h, was used at CRNL. The meter is 11 cm wide by 24 cm in length and stands 10 cm in height. It was used by the Radiation Protection Branch at CRNL.
