Reactor Experiments Inc. Neutron Flux Integrator. 6.5" x 6.5". Slot is 2.5" wide.
Used to determine neutron flux by measuring radiation emitted from samples that were inserted in the integrator while exposed to neutron radiation.
There is a small crack at each edge where the rope carry handle goes through, as seen in the pictures.
No additional parts, accessories, manuals, or cables included.