This is Gerry Phillips, who was head of the Physics Department and Director of the Bonner Lab, with a friend.
It looks like some kind of meter.
That’s a Van de Graaff generator, almost certainly. Never seen one with a face drawn on it before.
I wonder what the box in the bottom of the cart is? I see a few vacuum tubes hanging out of it.
It looks like Holmes Richter during his head-shaving years.
Based on what appear to be polyethylene spheres on both devices those are are probably neutron detectors of the type invented by my father, Tom W. Bonner. Their response to neurons of differing energies approximated that of the human body and hence they were frequently used as dosimeters.
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