Scintillation counter with Mullard photomultiplier tube, crystal scintillator,and lead shielding (serial no 315, case serial no 830), unsigned, supplied by Atomic Power Constructions Limited, Heston Middlesex, 1955-1969 One Scintillator photomultiplier tube with lead sh 1955-1969
Scintillation crystal for gamma camera, sodium iodide, English, 1975-1979 Scintillation crystal for gamma camera 1975-1979