Brain Tumor Probe...The X-ray photograph shows a rigid silicon, beta-sensitive semiconductor detector probe placed in a patient's brain.
A vacuum housing containing a pair of silicon X-ray mirrors used to deflect the beam into the experimental stations.
A scientist stands beside the power supply for Pep's Trim and staring magnets. This machine was part of the positron-electron project that was the undertaking of SLAC and Lawrence Berkeley Labs.