Lathe, Mill & Drill Press Along with this you will also need Grinding Wheel & Loads & Loads of Tools, Bits Etc....
For Home use, Get a 7 X 12 or 7 X 10 Lathe, A Mini Mill .... and a couple of tools like parting, cutting, boring and a couple of drill bits ... also if you have a dreame'l tool ... that will be helpful. this is bare minimum to get started...
Oh... some Aluminium, Brass Rods... to start with some thing... 1Inch Dia & 1 Feet in length should be sufficient for the beginning experimentation.