The 004,s were can-annular with 6 individual burner cans of which 3 held igniter plugs, all three were slaved through propagation tubes, The comp section had 8 stages. Cases were cast/machined aluminum from inlet to just aft of diffuser,burner. Tail cone and bullet were steel treated with hot spray. Engine driven accessories were fuel,lube oil and hydraulic pump, fuel controller, generator, tach drive generator. Lube oil and fuel for starter were carried in tanks mounted above forward section of engine. There was also a hydraulically driven motor mounted on the side to drive the tail bullet in and out. I think there is a scavenge pump for lube system but it is not driven off the accessory case. Compressor rotors which were stacked individuals were aluminum and unshrouded. Of the three powerplants that I have opened up all had different construction and materials on the stators. Some were steel and some were alum, some were welded and some were peened and welded, all had shroud on the inside blade ends.
The museum where I retired from has quite a few of the early jet powerplants in there collection, 004,s 003,s Ne-20,s I-16s J-35,s and such. I could go on and on but I won't since its ot.