10 chamber sidewall
12 bottom plate
14 door seal
16 low temp insulation
18 high temp insulation
20 graphite retort
22 heating element
24 power buss rods
26 top door
28 hermetic side weld
30 sensor penetration
32 sight window assembly
34 power feedthroughs
36 feedthrough insulators
38 hermetic base weld
40 left feedthrough port
42 right feedthrough port
44 insulator elastomers
46 feedthrough elastomers
48 window elastomer
50 work zone
52 vacuum port