Be-with-Vacuum-Chamber
Beryllium-Cathode-Attached-to-the-Support-Structure
Beryllium-Electrodes-and-Insulator-as-Viewed-from-Below
Eric-Lerner-Lowers-the-Be Cathode-onto-its-Steel-Brace
Ivy-Karamitsos-Holding-the-Beryllium-Cathode
Upper-Vacuum-Chamber
Vacuum-Chamber-and-Drift-Tube-Copper-Wrapped