I don't think this is a machine for cutting metal. It looks to light.
Judging by the paper dust on it and the paper in the box under the machine,
I would say this is for cutting/punching paper, such as corrugated boxes.
Over on the right hand side of the picture, you can see what is being done...
That would put the pictures after 1868.
In 1867 it was New York Steam Engine Works.
In 1868 it became New Your Steam Engine Co.
The pictures look to be from the early to mid 1870's.
The last picture are Lucius Pond machines.