NICKEL PLATING CAST IRON 1. THE CASTING
I still have not got the hang of this blogging stuff.
I tried to post 3 photos together, but wordpress accepted only the last photo posted.
So here is the first one in the series.
This is the casting of the beam engine column.
As you can see, it is roughly the shape desired. It was quite heavy, and had a very tough external skin which required carbide tooling to break through.