helium-4
helium-3
homogenous liquid helium,
a mixture of helium-3 and helium-4
a mixture of helium-3 and helium-4
Vacuum
Pump
Pump
Vacuum
Pump
Pump
1.5K Pot
The entire fridge is immersed in a bath of liquid helium, at 4.2 K.
Condenser
Capillary
Tube
Tube
Still
Heat
Exchangers
Exchangers
Mixing
Chamber
Chamber
Experiment
Magnet
Beginning
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