Credit: Image Credit: Nanjing Institute of Astronomical Optics & Technology, National Astronomical Observatories, Chinese Academy of Sciences
From left: Large granite slab is mined, Granite slab is coarse cut, Transportation of granite to Nanjing, Granite Slab has been ground down to a 5m rotational table, Rear Surface of Granite Table Polished, Large Rotational Gear under Fabrication, Rotational Table Base Structure & Centre Connection, Base being lowered into pit, Base in position.
