High-quality black-and-white photographs of large old machines and tools

[Toolmaker51]

Not only tremendous size and general facility, but note the floor. World's best industrial surface; wood bricks, they're set on end.
At lower left is what appears to be a drain, probably isn't. It's a cast iron floor plate, near certainty of mounting in front of portable boring mill, large radial drill, or functions as serious assembly table.