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dewar_45deg dewar_alone dewar_arrival dewar_lift dewar_pump (EDD) lead_bag lead_bag2 liquid_helium mockup porous plug
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lead_bag  [6 of 10] ExhibitPlus lead_bag
Looking down through an airlock into the dewar. The crinkled silver material at the bottom is actually a super-thin lead foil bag, used to electro-magnetically isolate the main instrument package.