_ ao _ ee mee DIRECTIONAL PESEINSE TO wn “ow - tS ~ 120 KEv x-RAYS Scale. Vertical = 1.0 N / / , | / / ! | / Low HIGH RANGE. \\ RANGE XN i ~S ‘\ | ( _- CORACLE DECK - Net Drawn To Scaw “ys / \ ! \ ae ‘ = ASEL DETECTORS CONTROL PANEL AMPLIFIER & TAPE RECORDER s FROM CORACLE CONTROLLER FROM DETECTOR HEADS (SHOWN ABOVE } RELAYS ASEL RECORDER Figure 2.4 ASEL gamma-intensity-time recorder. 58